25887828835 has 32 divisors (see below), whose sum is σ = 34422796800. Its totient is φ = 18531701760.

The previous prime is 25887828823. The next prime is 25887828881. The reversal of 25887828835 is 53882878852.

It is a de Polignac number, because none of the positive numbers 2^k-25887828835 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6959106 + ... + 6962824.

It is an arithmetic number, because the mean of its divisors is an integer number (1075712400).

Almost surely, 2^25887828835 is an apocalyptic number.

25887828835 is a deficient number, since it is larger than the sum of its proper divisors (8534967965).

25887828835 is a wasteful number, since it uses less digits than its factorization.

25887828835 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5691.

The product of its digits is 68812800, while the sum is 64.

The spelling of 25887828835 in words is "twenty-five billion, eight hundred eighty-seven million, eight hundred twenty-eight thousand, eight hundred thirty-five".