86659672 has 32 divisors (see below), whose sum is σ = 180273600. Its totient is φ = 38720800.

The previous prime is 86659669. The next prime is 86659697. The reversal of 86659672 is 27695668.

It is a happy number.

It is a super-2 number, since 2×86659672² = 15019797502295168, which contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 3154 + ... + 13537.

It is an arithmetic number, because the mean of its divisors is an integer number (5633550).

Almost surely, 2^86659672 is an apocalyptic number.

It is an amenable number.

86659672 is an abundant number, since it is smaller than the sum of its proper divisors (93613928).

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

86659672 is a wasteful number, since it uses less digits than its factorization.

86659672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16767 (or 16763 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 49.

The square root of 86659672 is about 9309.1176810695. The cubic root of 86659672 is about 442.5262256898.

It can be divided in two parts, 866596 and 72, that added together give a palindrome (866668).

The spelling of 86659672 in words is "eighty-six million, six hundred fifty-nine thousand, six hundred seventy-two".