86620650776 has 32 divisors (see below), whose sum is σ = 178898803200. Its totient is φ = 38990756640.

The previous prime is 86620650769. The next prime is 86620650791. The reversal of 86620650776 is 67705602668.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4769216 + ... + 4787343.

It is an arithmetic number, because the mean of its divisors is an integer number (5590587600).

Almost surely, 2^86620650776 is an apocalyptic number.

It is an amenable number.

86620650776 is an abundant number, since it is smaller than the sum of its proper divisors (92278152424).

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

86620650776 is a wasteful number, since it uses less digits than its factorization.

86620650776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9556679 (or 9556675 counting only the distinct ones).

The product of its (nonzero) digits is 5080320, while the sum is 53.

The spelling of 86620650776 in words is "eighty-six billion, six hundred twenty million, six hundred fifty thousand, seven hundred seventy-six".