25580867604 has 24 divisors (see below), whose sum is σ = 60001202688. Its totient is φ = 8482311360.

The previous prime is 25580867597. The next prime is 25580867621. The reversal of 25580867604 is 40676808552.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5578177 + ... + 5582760.

It is an arithmetic number, because the mean of its divisors is an integer number (2500050112).

Almost surely, 2^25580867604 is an apocalyptic number.

It is an amenable number.

25580867604 is an abundant number, since it is smaller than the sum of its proper divisors (34420335084).

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

25580867604 is a wasteful number, since it uses less digits than its factorization.

25580867604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11161135 (or 11161133 counting only the distinct ones).

The product of its (nonzero) digits is 3225600, while the sum is 51.

The spelling of 25580867604 in words is "twenty-five billion, five hundred eighty million, eight hundred sixty-seven thousand, six hundred four".