28425587590 has 32 divisors (see below), whose sum is σ = 51439841856. Its totient is φ = 11309498880.

The previous prime is 28425587587. The next prime is 28425587623. The reversal of 28425587590 is 9578552482.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2396314 + ... + 2408146.

It is an arithmetic number, because the mean of its divisors is an integer number (1607495058).

Almost surely, 2^28425587590 is an apocalyptic number.

28425587590 is a deficient number, since it is larger than the sum of its proper divisors (23014254266).

28425587590 is a wasteful number, since it uses less digits than its factorization.

28425587590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13104.

The product of its (nonzero) digits is 8064000, while the sum is 55.

The spelling of 28425587590 in words is "twenty-eight billion, four hundred twenty-five million, five hundred eighty-seven thousand, five hundred ninety".