84872156 has 12 divisors (see below), whose sum is σ = 148590792. Its totient is φ = 42417648.

The previous prime is 84872129. The next prime is 84872171. The reversal of 84872156 is 65127848.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15566 + ... + 20298.

It is an arithmetic number, because the mean of its divisors is an integer number (12382566).

Almost surely, 2^84872156 is an apocalyptic number.

It is an amenable number.

84872156 is a deficient number, since it is larger than the sum of its proper divisors (63718636).

84872156 is a wasteful number, since it uses less digits than its factorization.

84872156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9220 (or 9218 counting only the distinct ones).

The product of its digits is 107520, while the sum is 41.

The square root of 84872156 is about 9212.6085339604. The cubic root of 84872156 is about 439.4624219841.

The spelling of 84872156 in words is "eighty-four million, eight hundred seventy-two thousand, one hundred fifty-six".