86686575 has 12 divisors (see below), whose sum is σ = 143321928. Its totient is φ = 46232800.

The previous prime is 86686573. The next prime is 86686577. The reversal of 86686575 is 57568668.

It is an interprime number because it is at equal distance from previous prime (86686573) and next prime (86686577).

It is not a de Polignac number, because 86686575 - 2¹ = 86686573 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86686573) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 577836 + ... + 577985.

It is an arithmetic number, because the mean of its divisors is an integer number (11943494).

Almost surely, 2^86686575 is an apocalyptic number.

86686575 is a deficient number, since it is larger than the sum of its proper divisors (56635353).

86686575 is a wasteful number, since it uses less digits than its factorization.

86686575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1155834 (or 1155829 counting only the distinct ones).

The product of its digits is 2419200, while the sum is 51.

The square root of 86686575 is about 9310.5625501363. The cubic root of 86686575 is about 442.5720141980.

The spelling of 86686575 in words is "eighty-six million, six hundred eighty-six thousand, five hundred seventy-five".