86859660 has 24 divisors (see below), whose sum is σ = 243207216. Its totient is φ = 23162560.

The previous prime is 86859653. The next prime is 86859673. The reversal of 86859660 is 6695868.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 723771 + ... + 723890.

It is an arithmetic number, because the mean of its divisors is an integer number (10133634).

Almost surely, 2^86859660 is an apocalyptic number.

It is an amenable number.

86859660 is an abundant number, since it is smaller than the sum of its proper divisors (156347556).

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

86859660 is a wasteful number, since it uses less digits than its factorization.

86859660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1447673 (or 1447671 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 48.

The square root of 86859660 is about 9319.8530031326. The cubic root of 86859660 is about 442.8663760029.

The spelling of 86859660 in words is "eighty-six million, eight hundred fifty-nine thousand, six hundred sixty".