86936975 has 12 divisors (see below), whose sum is σ = 108102456. Its totient is φ = 69355680.

The previous prime is 86936959. The next prime is 86936977. The reversal of 86936975 is 57963968.

It is a Cunningham number, because it is equal to 9324²-1.

It is not a de Polignac number, because 86936975 - 2⁴ = 86936959 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86936977) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4664 + ... + 13986.

It is an arithmetic number, because the mean of its divisors is an integer number (9008538).

Almost surely, 2^86936975 is an apocalyptic number.

86936975 is a deficient number, since it is larger than the sum of its proper divisors (21165481).

86936975 is a wasteful number, since it uses less digits than its factorization.

86936975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9706 (or 9701 counting only the distinct ones).

The product of its digits is 2449440, while the sum is 53.

The square root of 86936975 is about 9323.9999463749. Note that the first 4 decimals coincide. The cubic root of 86936975 is about 442.9977375565.

The spelling of 86936975 in words is "eighty-six million, nine hundred thirty-six thousand, nine hundred seventy-five".