2797562880 has 704 divisors, whose sum is σ = 11790720000. Its totient is φ = 628604928.

The previous prime is 2797562851. The next prime is 2797562893. The reversal of 2797562880 is 882657972.

It is a happy number.

2797562880 is a `hidden beast` number, since 2 + 7 + 9 + 7 + 5 + 628 + 8 + 0 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 47416291 + ... + 47416349.

Almost surely, 2^2797562880 is an apocalyptic number.

2797562880 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 2797562880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5895360000).

2797562880 is an abundant number, since it is smaller than the sum of its proper divisors (8993157120).

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

2797562880 is an equidigital number, since it uses as much as digits as its factorization.

2797562880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114 (or 76 counting only the distinct ones).

The product of its (nonzero) digits is 3386880, while the sum is 54.

The square root of 2797562880 is about 52891.9925886707. The cubic root of 2797562880 is about 1409.0506964566.

The spelling of 2797562880 in words is "two billion, seven hundred ninety-seven million, five hundred sixty-two thousand, eight hundred eighty".