86219609808 has 40 divisors (see below), whose sum is σ = 223580922048. Its totient is φ = 28630588672.

The previous prime is 86219609783. The next prime is 86219609809. The reversal of 86219609808 is 80890691268.

It is a super-2 number, since 2×86219609808² (a number of 23 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (57) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86219609809) 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, 3402285 + ... + 3427532.

Almost surely, 2^86219609808 is an apocalyptic number.

It is an amenable number.

86219609808 is an abundant number, since it is smaller than the sum of its proper divisors (137361312240).

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

86219609808 is a wasteful number, since it uses less digits than its factorization.

86219609808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6830091 (or 6830085 counting only the distinct ones).

The product of its (nonzero) digits is 2985984, while the sum is 57.

The spelling of 86219609808 in words is "eighty-six billion, two hundred nineteen million, six hundred nine thousand, eight hundred eight".