86286987776 has 80 divisors (see below), whose sum is σ = 189516004128. Its totient is φ = 38921625600.

The previous prime is 86286987739. The next prime is 86286987791. The reversal of 86286987776 is 67778968268.

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, 679316 + ... + 796268.

Almost surely, 2^86286987776 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 86286987776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94758002064).

86286987776 is an abundant number, since it is smaller than the sum of its proper divisors (103229016352).

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

86286987776 is a wasteful number, since it uses less digits than its factorization.

86286987776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117113 (or 117097 counting only the distinct ones).

The product of its digits is 682795008, while the sum is 74.

The spelling of 86286987776 in words is "eighty-six billion, two hundred eighty-six million, nine hundred eighty-seven thousand, seven hundred seventy-six".