86717688 has 16 divisors (see below), whose sum is σ = 216794280. Its totient is φ = 28905888.

The previous prime is 86717647. The next prime is 86717723. The reversal of 86717688 is 88671768.

It is a self number, because there is not a number n which added to its sum of digits gives 86717688.

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, 1806595 + ... + 1806642.

Almost surely, 2^86717688 is an apocalyptic number.

It is an amenable number.

86717688 is an abundant number, since it is smaller than the sum of its proper divisors (130076592).

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

86717688 is a wasteful number, since it uses less digits than its factorization.

86717688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3613246 (or 3613242 counting only the distinct ones).

The product of its digits is 903168, while the sum is 51.

The square root of 86717688 is about 9312.2332445016. The cubic root of 86717688 is about 442.6249562520.

The spelling of 86717688 in words is "eighty-six million, seven hundred seventeen thousand, six hundred eighty-eight".