86172398332 has 24 divisors (see below), whose sum is σ = 151530145200. Its totient is φ = 42878542080.

The previous prime is 86172398327. The next prime is 86172398357. The reversal of 86172398332 is 23389327168.

It is a self number, because there is not a number n which added to its sum of digits gives 86172398332.

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, 679044 + ... + 795892.

It is an arithmetic number, because the mean of its divisors is an integer number (6313756050).

Almost surely, 2^86172398332 is an apocalyptic number.

It is an amenable number.

86172398332 is a deficient number, since it is larger than the sum of its proper divisors (65357746868).

86172398332 is a wasteful number, since it uses less digits than its factorization.

86172398332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117741 (or 117739 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 52.

The spelling of 86172398332 in words is "eighty-six billion, one hundred seventy-two million, three hundred ninety-eight thousand, three hundred thirty-two".