86656265668 has 48 divisors (see below), whose sum is σ = 179545766400. Its totient is φ = 35806377600.

The previous prime is 86656265627. The next prime is 86656265671.

86656265668 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 493093 + ... + 645331.

It is an arithmetic number, because the mean of its divisors is an integer number (3740536800).

Almost surely, 2^86656265668 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 86656265668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89772883200).

86656265668 is an abundant number, since it is smaller than the sum of its proper divisors (92889500732).

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

86656265668 is a wasteful number, since it uses less digits than its factorization.

86656265668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152980 (or 152978 counting only the distinct ones).

The product of its digits is 149299200, while the sum is 64.

The spelling of 86656265668 in words is "eighty-six billion, six hundred fifty-six million, two hundred sixty-five thousand, six hundred sixty-eight".