86718260 has 24 divisors (see below), whose sum is σ = 183443400. Its totient is φ = 34433024.

The previous prime is 86718251. The next prime is 86718263. The reversal of 86718260 is 6281768.

It can be written as a sum of positive squares in 4 ways, for example, as 25847056 + 60871204 = 5084^2 + 7802^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86718263) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13085 + ... + 18564.

It is an arithmetic number, because the mean of its divisors is an integer number (7643475).

Almost surely, 2^86718260 is an apocalyptic number.

It is an amenable number.

86718260 is an abundant number, since it is smaller than the sum of its proper divisors (96725140).

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

86718260 is a wasteful number, since it uses less digits than its factorization.

86718260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31795 (or 31793 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 38.

The square root of 86718260 is about 9312.2639567401. The cubic root of 86718260 is about 442.6259294519.

The spelling of 86718260 in words is "eighty-six million, seven hundred eighteen thousand, two hundred sixty".