86995975 has 18 divisors (see below), whose sum is σ = 118577480. Its totient is φ = 63267600.

The previous prime is 86995967. The next prime is 86995981. The reversal of 86995975 is 57959968.

It is not a de Polignac number, because 86995975 - 2³ = 86995967 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 11355 + ... + 17404.

Almost surely, 2^86995975 is an apocalyptic number.

86995975 is a deficient number, since it is larger than the sum of its proper divisors (31581505).

86995975 is a wasteful number, since it uses less digits than its factorization.

86995975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28791 (or 28775 counting only the distinct ones).

The product of its digits is 6123600, while the sum is 58.

The square root of 86995975 is about 9327.1632879456. The cubic root of 86995975 is about 443.0979287434.

The spelling of 86995975 in words is "eighty-six million, nine hundred ninety-five thousand, nine hundred seventy-five".