28327502164 has 36 divisors (see below), whose sum is σ = 54821962944. Its totient is φ = 12796042272.

The previous prime is 28327502107. The next prime is 28327502171. The reversal of 28327502164 is 46120572382.

It is a congruent number.

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, 414022 + ... + 477565.

It is an arithmetic number, because the mean of its divisors is an integer number (1522832304).

Almost surely, 2^28327502164 is an apocalyptic number.

It is an amenable number.

28327502164 is a deficient number, since it is larger than the sum of its proper divisors (26494460780).

28327502164 is a wasteful number, since it uses less digits than its factorization.

28327502164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 891664 (or 891649 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 40.

The spelling of 28327502164 in words is "twenty-eight billion, three hundred twenty-seven million, five hundred two thousand, one hundred sixty-four".