86311248172 has 24 divisors (see below), whose sum is σ = 162696102912. Its totient is φ = 39947701200.

The previous prime is 86311248167. The next prime is 86311248197. The reversal of 86311248172 is 27184211368.

It is a super-2 number, since 2×86311248172² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15128854 + ... + 15134557.

It is an arithmetic number, because the mean of its divisors is an integer number (6779004288).

Almost surely, 2^86311248172 is an apocalyptic number.

It is an amenable number.

86311248172 is a deficient number, since it is larger than the sum of its proper divisors (76384854740).

86311248172 is a wasteful number, since it uses less digits than its factorization.

86311248172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30263469 (or 30263467 counting only the distinct ones).

The product of its digits is 129024, while the sum is 43.

The spelling of 86311248172 in words is "eighty-six billion, three hundred eleven million, two hundred forty-eight thousand, one hundred seventy-two".