86819136852 has 24 divisors (see below), whose sum is σ = 231517698496. Its totient is φ = 24805467648.

The previous prime is 86819136841. The next prime is 86819136923. The reversal of 86819136852 is 25863191868.

It is a junction number, because it is equal to n+sod(n) for n = 86819136792 and 86819136801.

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, 516780493 + ... + 516780660.

Almost surely, 2^86819136852 is an apocalyptic number.

It is an amenable number.

86819136852 is an abundant number, since it is smaller than the sum of its proper divisors (144698561644).

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

86819136852 is a wasteful number, since it uses less digits than its factorization.

86819136852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1033561167 (or 1033561165 counting only the distinct ones).

The product of its digits is 4976640, while the sum is 57.

The spelling of 86819136852 in words is "eighty-six billion, eight hundred nineteen million, one hundred thirty-six thousand, eight hundred fifty-two".