84579532896 has 48 divisors (see below), whose sum is σ = 225335041344. Its totient is φ = 27772381824.

The previous prime is 84579532811. The next prime is 84579532913. The reversal of 84579532896 is 69823597548.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×84579532896² (a number of 23 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 7 ways as a sum of consecutive naturals, for example, 6568470 + ... + 6581333.

It is an arithmetic number, because the mean of its divisors is an integer number (4694480028).

Almost surely, 2^84579532896 is an apocalyptic number.

It is an amenable number.

84579532896 is an abundant number, since it is smaller than the sum of its proper divisors (140755508448).

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

84579532896 is a wasteful number, since it uses less digits than its factorization.

84579532896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13149883 (or 13149875 counting only the distinct ones).

The product of its digits is 130636800, while the sum is 66.

The spelling of 84579532896 in words is "eighty-four billion, five hundred seventy-nine million, five hundred thirty-two thousand, eight hundred ninety-six".