86864766 has 16 divisors (see below), whose sum is σ = 175929600. Its totient is φ = 28588248.

The previous prime is 86864753. The next prime is 86864777. The reversal of 86864766 is 66746868.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 91156 + ... + 92103.

It is an arithmetic number, because the mean of its divisors is an integer number (10995600).

Almost surely, 2^86864766 is an apocalyptic number.

86864766 is an abundant number, since it is smaller than the sum of its proper divisors (89064834).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

86864766 is a wasteful number, since it uses less digits than its factorization.

86864766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183343.

The product of its digits is 2322432, while the sum is 51.

The square root of 86864766 is about 9320.1269304661. The cubic root of 86864766 is about 442.8750537229.

The spelling of 86864766 in words is "eighty-six million, eight hundred sixty-four thousand, seven hundred sixty-six".