84772164 has 12 divisors (see below), whose sum is σ = 197801744. Its totient is φ = 28257384.

The previous prime is 84772159. The next prime is 84772169. The reversal of 84772164 is 46127748.

It is an interprime number because it is at equal distance from previous prime (84772159) and next prime (84772169).

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (84772169) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3532162 + ... + 3532185.

Almost surely, 2^84772164 is an apocalyptic number.

It is an amenable number.

84772164 is an abundant number, since it is smaller than the sum of its proper divisors (113029580).

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

84772164 is a wasteful number, since it uses less digits than its factorization.

84772164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7064354 (or 7064352 counting only the distinct ones).

The product of its digits is 75264, while the sum is 39.

The square root of 84772164 is about 9207.1800243071. The cubic root of 84772164 is about 439.2897701711.

The spelling of 84772164 in words is "eighty-four million, seven hundred seventy-two thousand, one hundred sixty-four".