86612180 has 24 divisors (see below), whose sum is σ = 182095368. Its totient is φ = 34604928.

The previous prime is 86612179. The next prime is 86612209. The reversal of 86612180 is 8121668.

It can be written as a sum of positive squares in 4 ways, for example, as 753424 + 85858756 = 868^2 + 9266^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20402 + ... + 24278.

It is an arithmetic number, because the mean of its divisors is an integer number (7587307).

Almost surely, 2^86612180 is an apocalyptic number.

It is an amenable number.

86612180 is an abundant number, since it is smaller than the sum of its proper divisors (95483188).

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

86612180 is a wasteful number, since it uses less digits than its factorization.

86612180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5003 (or 5001 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 32.

The square root of 86612180 is about 9306.5664989834. The cubic root of 86612180 is about 442.4453718724.

The spelling of 86612180 in words is "eighty-six million, six hundred twelve thousand, one hundred eighty".