86655255668 has 48 divisors (see below), whose sum is σ = 160058916864. Its totient is φ = 40989124320.

The previous prime is 86655255667. The next prime is 86655255691.

It is a happy number.

86655255668 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×86655255668² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (62).

It is a self number, because there is not a number n which added to its sum of digits gives 86655255668.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86655255667) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5161055 + ... + 5177817.

It is an arithmetic number, because the mean of its divisors is an integer number (3334560768).

Almost surely, 2^86655255668 is an apocalyptic number.

It is an amenable number.

86655255668 is a deficient number, since it is larger than the sum of its proper divisors (73403661196).

86655255668 is a wasteful number, since it uses less digits than its factorization.

86655255668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17732 (or 17730 counting only the distinct ones).

The product of its digits is 103680000, while the sum is 62.

The spelling of 86655255668 in words is "eighty-six billion, six hundred fifty-five million, two hundred fifty-five thousand, six hundred sixty-eight".