2797880834880 has 672 divisors, whose sum is σ = 10190430581760. Its totient is φ = 703480135680.

The previous prime is 2797880834873. The next prime is 2797880834887. The reversal of 2797880834880 is 884380887972.

2797880834880 is a `hidden beast` number, since 2 + 79 + 78 + 8 + 0 + 8 + 3 + 488 + 0 = 666.

2797880834880 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2797880834873) and next prime (2797880834887).

It is a super-2 number, since 2×2797880834880² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a junction number, because it is equal to n+sod(n) for n = 2797880834799 and 2797880834808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2797880834887) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2276550106 + ... + 2276551334.

Almost surely, 2^{2797880834880} is an apocalyptic number.

2797880834880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2797880834880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5095215290880).

2797880834880 is an abundant number, since it is smaller than the sum of its proper divisors (7392549746880).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2797880834880 is a wasteful number, since it uses less digits than its factorization.

2797880834880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1919 (or 1906 counting only the distinct ones).

The product of its (nonzero) digits is 346816512, while the sum is 72.

The spelling of 2797880834880 in words is "two trillion, seven hundred ninety-seven billion, eight hundred eighty million, eight hundred thirty-four thousand, eight hundred eighty".