25876435968 has 132 divisors (see below), whose sum is σ = 74922951168. Its totient is φ = 8601784320.

The previous prime is 25876435967. The next prime is 25876435997. The reversal of 25876435968 is 86953467852.

It is a happy number.

25876435968 is a `hidden beast` number, since 2 + 587 + 6 + 43 + 5 + 9 + 6 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25876435967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3526063 + ... + 3533393.

Almost surely, 2^25876435968 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25876435968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37461475584).

25876435968 is an abundant number, since it is smaller than the sum of its proper divisors (49046515200).

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

25876435968 is a wasteful number, since it uses less digits than its factorization.

25876435968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7740 (or 7719 counting only the distinct ones).

The product of its digits is 87091200, while the sum is 63.

The spelling of 25876435968 in words is "twenty-five billion, eight hundred seventy-six million, four hundred thirty-five thousand, nine hundred sixty-eight".