86680688 has 20 divisors (see below), whose sum is σ = 177823440. Its totient is φ = 40790784.

The previous prime is 86680673. The next prime is 86680757. The reversal of 86680688 is 88608668.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 159068 + ... + 159611.

It is an arithmetic number, because the mean of its divisors is an integer number (8891172).

Almost surely, 2^86680688 is an apocalyptic number.

It is an amenable number.

86680688 is an abundant number, since it is smaller than the sum of its proper divisors (91142752).

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

86680688 is a wasteful number, since it uses less digits than its factorization.

86680688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318704 (or 318698 counting only the distinct ones).

The product of its (nonzero) digits is 884736, while the sum is 50.

The square root of 86680688 is about 9310.2463984580. The cubic root of 86680688 is about 442.5619954208.

The spelling of 86680688 in words is "eighty-six million, six hundred eighty thousand, six hundred eighty-eight".