86656460 has 48 divisors (see below), whose sum is σ = 201519360. Its totient is φ = 31035840.

The previous prime is 86656447. The next prime is 86656483. The reversal of 86656460 is 6465668.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11801 + ... + 17679.

It is an arithmetic number, because the mean of its divisors is an integer number (4198320).

Almost surely, 2^86656460 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 86656460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100759680).

86656460 is an abundant number, since it is smaller than the sum of its proper divisors (114862900).

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

86656460 is a wasteful number, since it uses less digits than its factorization.

86656460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5966 (or 5964 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 41.

The square root of 86656460 is about 9308.9451604357. The cubic root of 86656460 is about 442.5207582801.

The spelling of 86656460 in words is "eighty-six million, six hundred fifty-six thousand, four hundred sixty".