86648860 has 12 divisors (see below), whose sum is σ = 181962648. Its totient is φ = 34659536.

The previous prime is 86648803. The next prime is 86648909. The reversal of 86648860 is 6884668.

It is a self number, because there is not a number n which added to its sum of digits gives 86648860.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2166202 + ... + 2166241.

It is an arithmetic number, because the mean of its divisors is an integer number (15163554).

Almost surely, 2^86648860 is an apocalyptic number.

It is an amenable number.

86648860 is an abundant number, since it is smaller than the sum of its proper divisors (95313788).

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

86648860 is a wasteful number, since it uses less digits than its factorization.

86648860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4332452 (or 4332450 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 46.

The square root of 86648860 is about 9308.5369419689. The cubic root of 86648860 is about 442.5078211562.

The spelling of 86648860 in words is "eighty-six million, six hundred forty-eight thousand, eight hundred sixty".