86689916 has 24 divisors (see below), whose sum is σ = 154995120. Its totient is φ = 42416000.

The previous prime is 86689907. The next prime is 86689937. The reversal of 86689916 is 61998668.

It is a congruent number.

It is an unprimeable number.

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, 34751 + ... + 37161.

It is an arithmetic number, because the mean of its divisors is an integer number (6458130).

Almost surely, 2^86689916 is an apocalyptic number.

It is an amenable number.

86689916 is a deficient number, since it is larger than the sum of its proper divisors (68305204).

86689916 is a wasteful number, since it uses less digits than its factorization.

86689916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2605 (or 2603 counting only the distinct ones).

The product of its digits is 1119744, while the sum is 53.

The square root of 86689916 is about 9310.7419682859. The cubic root of 86689916 is about 442.5776998692.

The spelling of 86689916 in words is "eighty-six million, six hundred eighty-nine thousand, nine hundred sixteen".