84687326928 has 80 divisors (see below), whose sum is σ = 243119826240. Its totient is φ = 28224948096.

The previous prime is 84687326921. The next prime is 84687326951. The reversal of 84687326928 is 82962378648.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84687326921) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4692450 + ... + 4710462.

It is an arithmetic number, because the mean of its divisors is an integer number (3038997828).

Almost surely, 2^84687326928 is an apocalyptic number.

It is an amenable number.

84687326928 is an abundant number, since it is smaller than the sum of its proper divisors (158432499312).

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

84687326928 is a wasteful number, since it uses less digits than its factorization.

84687326928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28913 (or 28901 counting only the distinct ones).

The product of its digits is 55738368, while the sum is 63.

The spelling of 84687326928 in words is "eighty-four billion, six hundred eighty-seven million, three hundred twenty-six thousand, nine hundred twenty-eight".