86647871776 has 48 divisors (see below), whose sum is σ = 180858333600. Its totient is φ = 40748410368.

The previous prime is 86647871773. The next prime is 86647871797. The reversal of 86647871776 is 67717874668.

It is not an unprimeable number, because it can be changed into a prime (86647871771) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 428125 + ... + 597148.

It is an arithmetic number, because the mean of its divisors is an integer number (3767881950).

Almost surely, 2^86647871776 is an apocalyptic number.

It is an amenable number.

86647871776 is an abundant number, since it is smaller than the sum of its proper divisors (94210461824).

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

86647871776 is a wasteful number, since it uses less digits than its factorization.

86647871776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1025441 (or 1025433 counting only the distinct ones).

The product of its digits is 132765696, while the sum is 67.

The spelling of 86647871776 in words is "eighty-six billion, six hundred forty-seven million, eight hundred seventy-one thousand, seven hundred seventy-six".