86445875 has 16 divisors (see below), whose sum is σ = 110806176. Its totient is φ = 67284000.

The previous prime is 86445869. The next prime is 86445893. The reversal of 86445875 is 57854468.

It is not a de Polignac number, because 86445875 - 2⁴ = 86445859 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4721 + ... + 13970.

It is an arithmetic number, because the mean of its divisors is an integer number (6925386).

Almost surely, 2^86445875 is an apocalyptic number.

86445875 is a deficient number, since it is larger than the sum of its proper divisors (24360301).

86445875 is a wasteful number, since it uses less digits than its factorization.

86445875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18743 (or 18733 counting only the distinct ones).

The product of its digits is 1075200, while the sum is 47.

The square root of 86445875 is about 9297.6273855215. The cubic root of 86445875 is about 442.1620090230.

The spelling of 86445875 in words is "eighty-six million, four hundred forty-five thousand, eight hundred seventy-five".