8130195792 has 30 divisors (see below), whose sum is σ = 22753256682. Its totient is φ = 2710065216.

The previous prime is 8130195767. The next prime is 8130195797. The reversal of 8130195792 is 2975910318.

It can be written as a sum of positive squares in only one way, i.e., 7796183616 + 334012176 = 88296^2 + 18276^2 .

It is a super-2 number, since 2×8130195792² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8130195797) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 28229703 + ... + 28229990.

Almost surely, 2^8130195792 is an apocalyptic number.

It is an amenable number.

8130195792 is an abundant number, since it is smaller than the sum of its proper divisors (14623060890).

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

8130195792 is a wasteful number, since it uses less digits than its factorization.

8130195792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56459707 (or 56459698 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 45.

The square root of 8130195792 is about 90167.5983488526. The cubic root of 8130195792 is about 2010.7913183346.

The spelling of 8130195792 in words is "eight billion, one hundred thirty million, one hundred ninety-five thousand, seven hundred ninety-two".