86172443170 has 32 divisors (see below), whose sum is σ = 169236889920. Its totient is φ = 31330703040.

The previous prime is 86172443141. The next prime is 86172443173. The reversal of 86172443170 is 7134427168.

It is not an unprimeable number, because it can be changed into a prime (86172443173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 719116 + ... + 830344.

It is an arithmetic number, because the mean of its divisors is an integer number (5288652810).

Almost surely, 2^86172443170 is an apocalyptic number.

86172443170 is a deficient number, since it is larger than the sum of its proper divisors (83064446750).

86172443170 is a wasteful number, since it uses less digits than its factorization.

86172443170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118290.

The product of its (nonzero) digits is 225792, while the sum is 43.

The spelling of 86172443170 in words is "eighty-six billion, one hundred seventy-two million, four hundred forty-three thousand, one hundred seventy".