8190307872 has 120 divisors (see below), whose sum is σ = 25504515036. Its totient is φ = 2569494528.

The previous prime is 8190307871. The next prime is 8190307907. The reversal of 8190307872 is 2787030918.

It can be written as a sum of positive squares in 2 ways, for example, as 7722191376 + 468116496 = 87876^2 + 21636^2 .

It is a super-2 number, since 2×8190307872² (a number of 21 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (8190307871) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 48873 + ... + 137000.

Almost surely, 2^8190307872 is an apocalyptic number.

It is an amenable number.

8190307872 is an abundant number, since it is smaller than the sum of its proper divisors (17314207164).

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

8190307872 is a wasteful number, since it uses less digits than its factorization.

8190307872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185912 (or 185895 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 45.

The square root of 8190307872 is about 90500.3197342418. The cubic root of 8190307872 is about 2015.7348715965.

The spelling of 8190307872 in words is "eight billion, one hundred ninety million, three hundred seven thousand, eight hundred seventy-two".