25328055776 has 24 divisors (see below), whose sum is σ = 51212304360. Its totient is φ = 12321756288.

The previous prime is 25328055733. The next prime is 25328055787. The reversal of 25328055776 is 67755082352.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10694786 + ... + 10697153.

It is an arithmetic number, because the mean of its divisors is an integer number (2133846015).

Almost surely, 2^25328055776 is an apocalyptic number.

It is an amenable number.

25328055776 is an abundant number, since it is smaller than the sum of its proper divisors (25884248584).

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

25328055776 is a wasteful number, since it uses less digits than its factorization.

25328055776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21391986 (or 21391978 counting only the distinct ones).

The product of its (nonzero) digits is 3528000, while the sum is 50.

The spelling of 25328055776 in words is "twenty-five billion, three hundred twenty-eight million, fifty-five thousand, seven hundred seventy-six".