2797347960 has 640 divisors, whose sum is σ = 11478931200. Its totient is φ = 604661760.

The previous prime is 2797347953. The next prime is 2797347989. The reversal of 2797347960 is 697437972.

2797347960 is a `hidden beast` number, since 27 + 97 + 3 + 479 + 60 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 2797347897 and 2797347906.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 147228831 + ... + 147228849.

It is an arithmetic number, because the mean of its divisors is an integer number (17935830).

Almost surely, 2^2797347960 is an apocalyptic number.

2797347960 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 2797347960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5739465600).

2797347960 is an abundant number, since it is smaller than the sum of its proper divisors (8681583240).

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

2797347960 is a wasteful number, since it uses less digits than its factorization.

2797347960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85 (or 57 counting only the distinct ones).

The product of its (nonzero) digits is 4000752, while the sum is 54.

The square root of 2797347960 is about 52889.9608621523. The cubic root of 2797347960 is about 1409.0146125574.

The spelling of 2797347960 in words is "two billion, seven hundred ninety-seven million, three hundred forty-seven thousand, nine hundred sixty".