86802816212 has 24 divisors (see below), whose sum is σ = 173623059456. Its totient is φ = 37197472608.

The previous prime is 86802816169. The next prime is 86802816239. The reversal of 86802816212 is 21261820868.

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, 138038 + ... + 438930.

It is an arithmetic number, because the mean of its divisors is an integer number (7234294144).

Almost surely, 2^86802816212 is an apocalyptic number.

It is an amenable number.

86802816212 is an abundant number, since it is smaller than the sum of its proper divisors (86820243244).

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

86802816212 is a wasteful number, since it uses less digits than its factorization.

86802816212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311207 (or 311205 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 44.

The spelling of 86802816212 in words is "eighty-six billion, eight hundred two million, eight hundred sixteen thousand, two hundred twelve".