84455232996 has 72 divisors (see below), whose sum is σ = 206140969440. Its totient is φ = 26909679104.

The previous prime is 84455232893. The next prime is 84455233061. The reversal of 84455232996 is 69923255448.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11987851 + ... + 11994893.

It is an arithmetic number, because the mean of its divisors is an integer number (2863069020).

Almost surely, 2^84455232996 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 84455232996, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103070484720).

84455232996 is an abundant number, since it is smaller than the sum of its proper divisors (121685736444).

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

84455232996 is a wasteful number, since it uses less digits than its factorization.

84455232996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8985 (or 8960 counting only the distinct ones).

The product of its digits is 18662400, while the sum is 57.

The spelling of 84455232996 in words is "eighty-four billion, four hundred fifty-five million, two hundred thirty-two thousand, nine hundred ninety-six".