86698975 has 12 divisors (see below), whose sum is σ = 117280440. Its totient is φ = 63053600.

The previous prime is 86698967. The next prime is 86698981. The reversal of 86698975 is 57989668.

It is not a de Polignac number, because 86698975 - 2³ = 86698967 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 157360 + ... + 157909.

It is an arithmetic number, because the mean of its divisors is an integer number (9773370).

Almost surely, 2^86698975 is an apocalyptic number.

86698975 is a deficient number, since it is larger than the sum of its proper divisors (30581465).

86698975 is a wasteful number, since it uses less digits than its factorization.

86698975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315290 (or 315285 counting only the distinct ones).

The product of its digits is 6531840, while the sum is 58.

The square root of 86698975 is about 9311.2284366779. The cubic root of 86698975 is about 442.5931156251.

The spelling of 86698975 in words is "eighty-six million, six hundred ninety-eight thousand, nine hundred seventy-five".