84431695320 has 96 divisors (see below), whose sum is σ = 313603449120. Its totient is φ = 19298672640.

The previous prime is 84431695289. The next prime is 84431695441. The reversal of 84431695320 is 2359613448.

84431695320 is a `hidden beast` number, since 8 + 4 + 4 + 316 + 9 + 5 + 320 = 666.

It is a super-2 number, since 2×84431695320² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

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, 16749801 + ... + 16754840.

It is an arithmetic number, because the mean of its divisors is an integer number (3266702595).

Almost surely, 2^84431695320 is an apocalyptic number.

It is an amenable number.

84431695320 is an abundant number, since it is smaller than the sum of its proper divisors (229171753800).

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

84431695320 is a wasteful number, since it uses less digits than its factorization.

84431695320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33504665 (or 33504658 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 45.

The spelling of 84431695320 in words is "eighty-four billion, four hundred thirty-one million, six hundred ninety-five thousand, three hundred twenty".