84186872555892 has 24 divisors (see below), whose sum is σ = 207991096903296. Its totient is φ = 26411567860608.

The previous prime is 84186872555887. The next prime is 84186872555953. The reversal of 84186872555892 is 29855527868148.

It is a congruent number.

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, 206340373708 + ... + 206340374115.

It is an arithmetic number, because the mean of its divisors is an integer number (8666295704304).

Almost surely, 2^{84186872555892} is an apocalyptic number.

It is an amenable number.

84186872555892 is an abundant number, since it is smaller than the sum of its proper divisors (123804224347404).

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

84186872555892 is a wasteful number, since it uses less digits than its factorization.

84186872555892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412680747847 (or 412680747845 counting only the distinct ones).

The product of its digits is 3096576000, while the sum is 78.

The spelling of 84186872555892 in words is "eighty-four trillion, one hundred eighty-six billion, eight hundred seventy-two million, five hundred fifty-five thousand, eight hundred ninety-two".