86611688 has 32 divisors (see below), whose sum is σ = 165110400. Its totient is φ = 42588672.

The previous prime is 86611687. The next prime is 86611703. The reversal of 86611688 is 88611668.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (86611687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 185231 + ... + 185697.

It is an arithmetic number, because the mean of its divisors is an integer number (5159700).

Almost surely, 2^86611688 is an apocalyptic number.

It is an amenable number.

86611688 is a deficient number, since it is larger than the sum of its proper divisors (78498712).

86611688 is a wasteful number, since it uses less digits than its factorization.

86611688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 809 (or 805 counting only the distinct ones).

The product of its digits is 110592, while the sum is 44.

The square root of 86611688 is about 9306.5400659966. The cubic root of 86611688 is about 442.4445341014. Note that the first 3 decimals are identical.

The spelling of 86611688 in words is "eighty-six million, six hundred eleven thousand, six hundred eighty-eight".