86171334420 has 96 divisors (see below), whose sum is σ = 242807685120. Its totient is φ = 22833889920.

The previous prime is 86171334407. The next prime is 86171334421. The reversal of 86171334420 is 2443317168.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86171334421) 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, 7634341 + ... + 7645619.

It is an arithmetic number, because the mean of its divisors is an integer number (2529246720).

Almost surely, 2^86171334420 is an apocalyptic number.

It is an amenable number.

86171334420 is an abundant number, since it is smaller than the sum of its proper divisors (156636350700).

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

86171334420 is a wasteful number, since it uses less digits than its factorization.

86171334420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12085 (or 12083 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 39.

The spelling of 86171334420 in words is "eighty-six billion, one hundred seventy-one million, three hundred thirty-four thousand, four hundred twenty".