84005504928 has 36 divisors (see below), whose sum is σ = 238890655458. Its totient is φ = 28001834880.

The previous prime is 84005504927. The next prime is 84005504941. The reversal of 84005504928 is 82940550048.

84005504928 is a `hidden beast` number, since 8 + 4 + 0 + 0 + 550 + 4 + 92 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 66805707024 + 17199797904 = 258468^2 + 131148^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (84005504927) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 145842603 + ... + 145843178.

Almost surely, 2^84005504928 is an apocalyptic number.

It is an amenable number.

84005504928 is an abundant number, since it is smaller than the sum of its proper divisors (154885150530).

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

84005504928 is a wasteful number, since it uses less digits than its factorization.

84005504928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291685797 (or 291685786 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 45.

The spelling of 84005504928 in words is "eighty-four billion, five million, five hundred four thousand, nine hundred twenty-eight".