86680885 has 4 divisors (see below), whose sum is σ = 104017068. Its totient is φ = 69344704.

The previous prime is 86680883. The next prime is 86680889. The reversal of 86680885 is 58808668.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 12152196 + 74528689 = 3486^2 + 8633^2 .

It is a cyclic number.

It is not a de Polignac number, because 86680885 - 2¹ = 86680883 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 (86680883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8668084 + ... + 8668093.

It is an arithmetic number, because the mean of its divisors is an integer number (26004267).

Almost surely, 2^86680885 is an apocalyptic number.

It is an amenable number.

86680885 is a deficient number, since it is larger than the sum of its proper divisors (17336183).

86680885 is a wasteful number, since it uses less digits than its factorization.

86680885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17336182.

The product of its (nonzero) digits is 737280, while the sum is 49.

The square root of 86680885 is about 9310.2569781935. The cubic root of 86680885 is about 442.5623306921.

The spelling of 86680885 in words is "eighty-six million, six hundred eighty thousand, eight hundred eighty-five".