25775677004 has 36 divisors (see below), whose sum is σ = 56663892432. Its totient is φ = 10042470240.

The previous prime is 25775676977. The next prime is 25775677087. The reversal of 25775677004 is 40077657752.

It is a happy number.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors.

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, 3800579 + ... + 3807354.

It is an arithmetic number, because the mean of its divisors is an integer number (1573997012).

Almost surely, 2^25775677004 is an apocalyptic number.

It is an amenable number.

25775677004 is an abundant number, since it is smaller than the sum of its proper divisors (30888215428).

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

25775677004 is a wasteful number, since it uses less digits than its factorization.

25775677004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7607966 (or 7607953 counting only the distinct ones).

The product of its (nonzero) digits is 2881200, while the sum is 50.

The spelling of 25775677004 in words is "twenty-five billion, seven hundred seventy-five million, six hundred seventy-seven thousand, four".