86399375 has 10 divisors (see below), whose sum is σ = 107965440. Its totient is φ = 69119000.

The previous prime is 86399359. The next prime is 86399393. The reversal of 86399375 is 57399368.

It is not a de Polignac number, because 86399375 - 2⁴ = 86399359 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 68495 + ... + 69744.

It is an arithmetic number, because the mean of its divisors is an integer number (10796544).

Almost surely, 2^86399375 is an apocalyptic number.

86399375 is a deficient number, since it is larger than the sum of its proper divisors (21566065).

86399375 is an equidigital number, since it uses as much as digits as its factorization.

86399375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138259 (or 138244 counting only the distinct ones).

The product of its digits is 1224720, while the sum is 50.

The square root of 86399375 is about 9295.1264111899. The cubic root of 86399375 is about 442.0827138529.

The spelling of 86399375 in words is "eighty-six million, three hundred ninety-nine thousand, three hundred seventy-five".