86645672175 has 24 divisors (see below), whose sum is σ = 143798903424. Its totient is φ = 46035307360.

The previous prime is 86645672167. The next prime is 86645672177. The reversal of 86645672175 is 57127654668.

It is not a de Polignac number, because 86645672175 - 2³ = 86645672167 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86645672177) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2176617 + ... + 2216066.

It is an arithmetic number, because the mean of its divisors is an integer number (5991620976).

Almost surely, 2^86645672175 is an apocalyptic number.

86645672175 is a deficient number, since it is larger than the sum of its proper divisors (57153231249).

86645672175 is a wasteful number, since it uses less digits than its factorization.

86645672175 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4392959 (or 4392954 counting only the distinct ones).

The product of its digits is 16934400, while the sum is 57.

The spelling of 86645672175 in words is "eighty-six billion, six hundred forty-five million, six hundred seventy-two thousand, one hundred seventy-five".