2783055387996 has 144 divisors (see below), whose sum is σ = 7605285810304. Its totient is φ = 853030683648.

The previous prime is 2783055387991. The next prime is 2783055387997. The reversal of 2783055387996 is 6997835503872.

It is a happy number.

2783055387996 is a `hidden beast` number, since 2 + 7 + 83 + 0 + 5 + 538 + 7 + 9 + 9 + 6 = 666.

It is a super-2 number, since 2×2783055387996² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2783055387991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 160926726 + ... + 160944018.

Almost surely, 2^{2783055387996} is an apocalyptic number.

2783055387996 is a gapful number since it is divisible by the number (26) 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 2783055387996, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3802642905152).

2783055387996 is an abundant number, since it is smaller than the sum of its proper divisors (4822230422308).

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

2783055387996 is a wasteful number, since it uses less digits than its factorization.

2783055387996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18620 (or 18615 counting only the distinct ones).

The product of its (nonzero) digits is 685843200, while the sum is 72.

The spelling of 2783055387996 in words is "two trillion, seven hundred eighty-three billion, fifty-five million, three hundred eighty-seven thousand, nine hundred ninety-six".