2857696961 has 32 divisors (see below), whose sum is σ = 3447155712. Its totient is φ = 2317870080.

The previous prime is 2857696943. The next prime is 2857696973. The reversal of 2857696961 is 1696967582.

It is a cyclic number.

It is not a de Polignac number, because 2857696961 - 2²² = 2853502657 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2857696961.

It is not an unprimeable number, because it can be changed into a prime (2857696561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2202665 + ... + 2203961.

It is an arithmetic number, because the mean of its divisors is an integer number (107723616).

Almost surely, 2^2857696961 is an apocalyptic number.

It is an amenable number.

2857696961 is a deficient number, since it is larger than the sum of its proper divisors (589458751).

2857696961 is a wasteful number, since it uses less digits than its factorization.

2857696961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1569.

The product of its digits is 9797760, while the sum is 59.

The square root of 2857696961 is about 53457.4312981834. The cubic root of 2857696961 is about 1419.0751368623.

The spelling of 2857696961 in words is "two billion, eight hundred fifty-seven million, six hundred ninety-six thousand, nine hundred sixty-one".