86650680 has 64 divisors (see below), whose sum is σ = 260588160. Its totient is φ = 23050368.

The previous prime is 86650679. The next prime is 86650721. The reversal of 86650680 is 8605668.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 76599 + ... + 77721.

It is an arithmetic number, because the mean of its divisors is an integer number (4071690).

Almost surely, 2^86650680 is an apocalyptic number.

It is an amenable number.

86650680 is an abundant number, since it is smaller than the sum of its proper divisors (173937480).

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

86650680 is a wasteful number, since it uses less digits than its factorization.

86650680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1780 (or 1776 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 39.

The square root of 86650680 is about 9308.6347011793. The cubic root of 86650680 is about 442.5109193258.

It can be divided in two parts, 866506 and 80, that added together give a triangular number (866586 = T₁₃₁₆).

The spelling of 86650680 in words is "eighty-six million, six hundred fifty thousand, six hundred eighty".