2808996877568 has 72 divisors (see below), whose sum is σ = 6436254240192. Its totient is φ = 1198552301568.

The previous prime is 2808996877567. The next prime is 2808996877591. The reversal of 2808996877568 is 8657786998082.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2808996877567) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3045905 + ... + 3859472.

Almost surely, 2^{2808996877568} is an apocalyptic number.

2808996877568 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2808996877568 is an abundant number, since it is smaller than the sum of its proper divisors (3627257362624).

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

2808996877568 is an equidigital number, since it uses as much as digits as its factorization.

2808996877568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6905627 (or 6905613 counting only the distinct ones).

The product of its (nonzero) digits is 5852528640, while the sum is 83.

The spelling of 2808996877568 in words is "two trillion, eight hundred eight billion, nine hundred ninety-six million, eight hundred seventy-seven thousand, five hundred sixty-eight".