86172211504 has 20 divisors (see below), whose sum is σ = 167042326464. Its totient is φ = 43064514368.

The previous prime is 86172211481. The next prime is 86172211547. The reversal of 86172211504 is 40511227168.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1316512 + ... + 1380415.

Almost surely, 2^86172211504 is an apocalyptic number.

It is an amenable number.

86172211504 is a deficient number, since it is larger than the sum of its proper divisors (80870114960).

86172211504 is a wasteful number, since it uses less digits than its factorization.

86172211504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2698932 (or 2698926 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 37.

The spelling of 86172211504 in words is "eighty-six billion, one hundred seventy-two million, two hundred eleven thousand, five hundred four".