84320028874 has 16 divisors (see below), whose sum is σ = 126678558312. Its totient is φ = 42093874368.

The previous prime is 84320028851. The next prime is 84320028913. The reversal of 84320028874 is 47882002348.

It can be written as a sum of positive squares in 4 ways, for example, as 60617886849 + 23702142025 = 246207^2 + 153955^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9477172 + ... + 9486064.

Almost surely, 2^84320028874 is an apocalyptic number.

84320028874 is a deficient number, since it is larger than the sum of its proper divisors (42358529438).

84320028874 is a wasteful number, since it uses less digits than its factorization.

84320028874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15801.

The product of its (nonzero) digits is 688128, while the sum is 46.

The spelling of 84320028874 in words is "eighty-four billion, three hundred twenty million, twenty-eight thousand, eight hundred seventy-four".