25796856996 has 45 divisors (see below), whose sum is σ = 67445638491. Its totient is φ = 8597988648.

The previous prime is 25796856983. The next prime is 25796857091. The reversal of 25796856996 is 69965869752.

The square root of 25796856996 is 160614.

It is a perfect power (a square), and thus also a powerful number.

25796856996 is a `hidden beast` number, since 2 + 57 + 9 + 6 + 8 + 569 + 9 + 6 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 2886591 + ... + 2895513.

Almost surely, 2^25796856996 is an apocalyptic number.

25796856996 is the 160614-th square number.

It is an amenable number.

25796856996 is an abundant number, since it is smaller than the sum of its proper divisors (41648781495).

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

25796856996 is an frugal number, since it uses more digits than its factorization.

25796856996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17862 (or 8928 counting only the distinct ones).

The product of its digits is 440899200, while the sum is 72.

The spelling of 25796856996 in words is "twenty-five billion, seven hundred ninety-six million, eight hundred fifty-six thousand, nine hundred ninety-six".