28670184534 has 64 divisors (see below), whose sum is σ = 59419422720. Its totient is φ = 9216979200.

The previous prime is 28670184493. The next prime is 28670184541. The reversal of 28670184534 is 43548107682.

It is a super-2 number, since 2×28670184534² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12803787 + ... + 12806025.

It is an arithmetic number, because the mean of its divisors is an integer number (928428480).

Almost surely, 2^28670184534 is an apocalyptic number.

28670184534 is an abundant number, since it is smaller than the sum of its proper divisors (30749238186).

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

28670184534 is a wasteful number, since it uses less digits than its factorization.

28670184534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2965.

The product of its (nonzero) digits is 1290240, while the sum is 48.

The spelling of 28670184534 in words is "twenty-eight billion, six hundred seventy million, one hundred eighty-four thousand, five hundred thirty-four".