86688268 has 24 divisors (see below), whose sum is σ = 156325680. Its totient is φ = 42036480.

The previous prime is 86688223. The next prime is 86688269. The reversal of 86688268 is 86288668.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (86688269) 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, 27880 + ... + 30832.

It is an arithmetic number, because the mean of its divisors is an integer number (6513570).

Almost surely, 2^86688268 is an apocalyptic number.

It is an amenable number.

86688268 is a deficient number, since it is larger than the sum of its proper divisors (69637412).

86688268 is a wasteful number, since it uses less digits than its factorization.

86688268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3177 (or 3175 counting only the distinct ones).

The product of its digits is 1769472, while the sum is 52.

The square root of 86688268 is about 9310.6534679366. The cubic root of 86688268 is about 442.5748953421.

The spelling of 86688268 in words is "eighty-six million, six hundred eighty-eight thousand, two hundred sixty-eight".