86776667768 has 32 divisors (see below), whose sum is σ = 185963074560. Its totient is φ = 37187386080.

The previous prime is 86776667759. The next prime is 86776667827.

86776667768 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 86776667695 and 86776667704.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 896033 + ... + 988143.

It is an arithmetic number, because the mean of its divisors is an integer number (5811346080).

Almost surely, 2^86776667768 is an apocalyptic number.

It is an amenable number.

86776667768 is an abundant number, since it is smaller than the sum of its proper divisors (99186406792).

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

86776667768 is a wasteful number, since it uses less digits than its factorization.

86776667768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108947 (or 108943 counting only the distinct ones).

The product of its digits is 1194891264, while the sum is 74.

The spelling of 86776667768 in words is "eighty-six billion, seven hundred seventy-six million, six hundred sixty-seven thousand, seven hundred sixty-eight".