84872164 has 24 divisors (see below), whose sum is σ = 168371840. Its totient is φ = 37109664.

The previous prime is 84872129. The next prime is 84872171. The reversal of 84872164 is 46127848.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41964 + ... + 43939.

Almost surely, 2^84872164 is an apocalyptic number.

It is an amenable number.

84872164 is a deficient number, since it is larger than the sum of its proper divisors (83499676).

84872164 is a wasteful number, since it uses less digits than its factorization.

84872164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85939 (or 85937 counting only the distinct ones).

The product of its digits is 86016, while the sum is 40.

The square root of 84872164 is about 9212.6089681479. The cubic root of 84872164 is about 439.4624357920.

The spelling of 84872164 in words is "eighty-four million, eight hundred seventy-two thousand, one hundred sixty-four".