86171926084 has 24 divisors (see below), whose sum is σ = 152842493048. Its totient is φ = 42505482240.

The previous prime is 86171926079. The next prime is 86171926097. The reversal of 86171926084 is 48062917168.

It can be written as a sum of positive squares in 4 ways, for example, as 563017984 + 85608908100 = 23728^2 + 292590^2 .

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, 233337 + ... + 476224.

Almost surely, 2^86171926084 is an apocalyptic number.

It is an amenable number.

86171926084 is a deficient number, since it is larger than the sum of its proper divisors (66670566964).

86171926084 is a wasteful number, since it uses less digits than its factorization.

86171926084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 709975 (or 709973 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 52.

The spelling of 86171926084 in words is "eighty-six billion, one hundred seventy-one million, nine hundred twenty-six thousand, eighty-four".