84856772 has 48 divisors (see below), whose sum is σ = 199393152. Its totient is φ = 30516480.

The previous prime is 84856771. The next prime is 84856777. The reversal of 84856772 is 27765848.

It is not an unprimeable number, because it can be changed into a prime (84856771) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6593 + ... + 14600.

It is an arithmetic number, because the mean of its divisors is an integer number (4154024).

Almost surely, 2^84856772 is an apocalyptic number.

It is an amenable number.

84856772 is an abundant number, since it is smaller than the sum of its proper divisors (114536380).

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

84856772 is a wasteful number, since it uses less digits than its factorization.

84856772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21228 (or 21226 counting only the distinct ones).

The product of its digits is 752640, while the sum is 47.

The square root of 84856772 is about 9211.7735534478. The cubic root of 84856772 is about 439.4358679341.

The spelling of 84856772 in words is "eighty-four million, eight hundred fifty-six thousand, seven hundred seventy-two".