28107508630 has 32 divisors (see below), whose sum is σ = 51464250720. Its totient is φ = 11049803520.

The previous prime is 28107508619. The next prime is 28107508657. The reversal of 28107508630 is 3680570182.

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, 768417 + ... + 804163.

It is an arithmetic number, because the mean of its divisors is an integer number (1608257835).

Almost surely, 2^28107508630 is an apocalyptic number.

28107508630 is a deficient number, since it is larger than the sum of its proper divisors (23356742090).

28107508630 is a wasteful number, since it uses less digits than its factorization.

28107508630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37104.

The product of its (nonzero) digits is 80640, while the sum is 40.

The spelling of 28107508630 in words is "twenty-eight billion, one hundred seven million, five hundred eight thousand, six hundred thirty".