86957056 has 22 divisors (see below), whose sum is σ = 173831240. Its totient is φ = 43478016.

The previous prime is 86957041. The next prime is 86957063. The reversal of 86957056 is 65075968.

It is a junction number, because it is equal to n+sod(n) for n = 86956997 and 86957015.

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 as a sum of consecutive naturals, namely, 41436 + ... + 43483.

It is an arithmetic number, because the mean of its divisors is an integer number (7901420).

Almost surely, 2^86957056 is an apocalyptic number.

It is an amenable number.

86957056 is a deficient number, since it is larger than the sum of its proper divisors (86874184).

86957056 is an equidigital number, since it uses as much as digits as its factorization.

86957056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84939 (or 84921 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 46.

The square root of 86957056 is about 9325.0767289068. The cubic root of 86957056 is about 443.0318433085.

It can be divided in two parts, 8695 and 7056, that added together give a palindrome (15751).

The spelling of 86957056 in words is "eighty-six million, nine hundred fifty-seven thousand, fifty-six".