84397043472 has 80 divisors (see below), whose sum is σ = 254473807872. Its totient is φ = 23600384640.

The previous prime is 84397043453. The next prime is 84397043501. The reversal of 84397043472 is 27434079348.

It is a happy number.

It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2656354 + ... + 2687937.

Almost surely, 2^84397043472 is an apocalyptic number.

It is an amenable number.

84397043472 is an abundant number, since it is smaller than the sum of its proper divisors (170076764400).

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

84397043472 is a wasteful number, since it uses less digits than its factorization.

84397043472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5344356 (or 5344350 counting only the distinct ones).

The product of its (nonzero) digits is 4064256, while the sum is 51.

The spelling of 84397043472 in words is "eighty-four billion, three hundred ninety-seven million, forty-three thousand, four hundred seventy-two".