2856877968 has 60 divisors (see below), whose sum is σ = 8585216880. Its totient is φ = 816250176.

The previous prime is 2856877967. The next prime is 2856877987. The reversal of 2856877968 is 8697786582.

It is a junction number, because it is equal to n+sod(n) for n = 2856877899 and 2856877908.

It is not an unprimeable number, because it can be changed into a prime (2856877963) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 604978 + ... + 609681.

It is an arithmetic number, because the mean of its divisors is an integer number (143086948).

Almost surely, 2^2856877968 is an apocalyptic number.

2856877968 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2856877968 is an abundant number, since it is smaller than the sum of its proper divisors (5728338912).

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

2856877968 is a wasteful number, since it uses less digits than its factorization.

2856877968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1214684 (or 1214671 counting only the distinct ones).

The product of its digits is 81285120, while the sum is 66.

The square root of 2856877968 is about 53449.7705140069. The cubic root of 2856877968 is about 1418.9395587302.

The spelling of 2856877968 in words is "two billion, eight hundred fifty-six million, eight hundred seventy-seven thousand, nine hundred sixty-eight".