86910056 has 16 divisors (see below), whose sum is σ = 163731840. Its totient is φ = 43248240.

The previous prime is 86910041. The next prime is 86910059. The reversal of 86910056 is 65001968.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 86909998 and 86910025.

It is not an unprimeable number, because it can be changed into a prime (86910059) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 24056 + ... + 27431.

It is an arithmetic number, because the mean of its divisors is an integer number (10233240).

Almost surely, 2^86910056 is an apocalyptic number.

It is an amenable number.

86910056 is a deficient number, since it is larger than the sum of its proper divisors (76821784).

86910056 is a wasteful number, since it uses less digits than its factorization.

86910056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51704 (or 51700 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 35.

The square root of 86910056 is about 9322.5563017876. The cubic root of 86910056 is about 442.9520098435.

The spelling of 86910056 in words is "eighty-six million, nine hundred ten thousand, fifty-six".