84979675956 has 96 divisors (see below), whose sum is σ = 252571253760. Its totient is φ = 21648950784.

The previous prime is 84979675951. The next prime is 84979675981. The reversal of 84979675956 is 65957697948.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84979675951) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1538910 + ... + 1593173.

It is an arithmetic number, because the mean of its divisors is an integer number (2630950560).

Almost surely, 2^84979675956 is an apocalyptic number.

It is an amenable number.

84979675956 is an abundant number, since it is smaller than the sum of its proper divisors (167591577804).

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

84979675956 is a wasteful number, since it uses less digits than its factorization.

84979675956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3132133 (or 3132131 counting only the distinct ones).

The product of its digits is 1028764800, while the sum is 75.

The spelling of 84979675956 in words is "eighty-four billion, nine hundred seventy-nine million, six hundred seventy-five thousand, nine hundred fifty-six".