86806761 has 16 divisors (see below), whose sum is σ = 121080960. Its totient is φ = 55214720.

The previous prime is 86806747. The next prime is 86806771. The reversal of 86806761 is 16760868.

It is not a de Polignac number, because 86806761 - 2²² = 82612457 is a prime.

It is a super-2 number, since 2×86806761² = 15070827510622242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (86806711) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30445 + ... + 33173.

It is an arithmetic number, because the mean of its divisors is an integer number (7567560).

Almost surely, 2^86806761 is an apocalyptic number.

It is an amenable number.

86806761 is a deficient number, since it is larger than the sum of its proper divisors (34274199).

86806761 is a wasteful number, since it uses less digits than its factorization.

86806761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3216.

The product of its (nonzero) digits is 96768, while the sum is 42.

The square root of 86806761 is about 9317.0145969618. The cubic root of 86806761 is about 442.7764533780.

The spelling of 86806761 in words is "eighty-six million, eight hundred six thousand, seven hundred sixty-one".