8286213992 has 48 divisors (see below), whose sum is σ = 18276394500. Its totient is φ = 3511318272.

The previous prime is 8286213983. The next prime is 8286213997. The reversal of 8286213992 is 2993126828.

It can be written as a sum of positive squares in 2 ways, for example, as 8278452196 + 7761796 = 90986^2 + 2786^2 .

It is a super-2 number, since 2×8286213992² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 8286213992.

It is not an unprimeable number, because it can be changed into a prime (8286213997) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 83867 + ... + 153642.

Almost surely, 2^8286213992 is an apocalyptic number.

It is an amenable number.

8286213992 is an abundant number, since it is smaller than the sum of its proper divisors (9990180508).

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

8286213992 is a wasteful number, since it uses less digits than its factorization.

8286213992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237618 (or 237607 counting only the distinct ones).

The product of its digits is 746496, while the sum is 50.

The square root of 8286213992 is about 91028.6437996305. The cubic root of 8286213992 is about 2023.5722490424.

The spelling of 8286213992 in words is "eight billion, two hundred eighty-six million, two hundred thirteen thousand, nine hundred ninety-two".