86669604 has 72 divisors (see below), whose sum is σ = 265120128. Its totient is φ = 23304960.

The previous prime is 86669581. The next prime is 86669617. The reversal of 86669604 is 40696668.

It is a self number, because there is not a number n which added to its sum of digits gives 86669604.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5832 + ... + 14399.

It is an arithmetic number, because the mean of its divisors is an integer number (3682224).

Almost surely, 2^86669604 is an apocalyptic number.

86669604 is a gapful number since it is divisible by the number (84) formed by its first and last digit.

It is an amenable number.

86669604 is an abundant number, since it is smaller than the sum of its proper divisors (178450524).

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

86669604 is a wasteful number, since it uses less digits than its factorization.

86669604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20265 (or 20260 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 45.

The square root of 86669604 is about 9309.6511212827. The cubic root of 86669604 is about 442.5431309103.

The spelling of 86669604 in words is "eighty-six million, six hundred sixty-nine thousand, six hundred four".