25906009677696 has 96 divisors (see below), whose sum is σ = 74552355563400. Its totient is φ = 8634744148992.

The previous prime is 25906009677679. The next prime is 25906009677707. The reversal of 25906009677696 is 69677690060952.

25906009677696 is a `hidden beast` number, since 2 + 5 + 9 + 0 + 600 + 9 + 6 + 7 + 7 + 6 + 9 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×25906009677696² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16189975 + ... + 17717993.

Almost surely, 2^{25906009677696} is an apocalyptic number.

It is an amenable number.

25906009677696 is an abundant number, since it is smaller than the sum of its proper divisors (48646345885704).

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

25906009677696 is a wasteful number, since it uses less digits than its factorization.

25906009677696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1542756 (or 1542741 counting only the distinct ones).

The product of its (nonzero) digits is 462944160, while the sum is 72.

The spelling of 25906009677696 in words is "twenty-five trillion, nine hundred six billion, nine million, six hundred seventy-seven thousand, six hundred ninety-six".