25787176265968 has 80 divisors (see below), whose sum is σ = 57045294006400. Its totient is φ = 11194246552320.

The previous prime is 25787176265947. The next prime is 25787176265989. The reversal of 25787176265968 is 86956267178752.

It is an interprime number because it is at equal distance from previous prime (25787176265947) and next prime (25787176265989).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22922238 + ... + 24020893.

It is an arithmetic number, because the mean of its divisors is an integer number (713066175080).

Almost surely, 2^{25787176265968} is an apocalyptic number.

It is an amenable number.

25787176265968 is an abundant number, since it is smaller than the sum of its proper divisors (31258117740432).

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

25787176265968 is a wasteful number, since it uses less digits than its factorization.

25787176265968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46943310 (or 46943304 counting only the distinct ones).

The product of its digits is 4267468800, while the sum is 79.

The spelling of 25787176265968 in words is "twenty-five trillion, seven hundred eighty-seven billion, one hundred seventy-six million, two hundred sixty-five thousand, nine hundred sixty-eight".