8130083720 has 32 divisors (see below), whose sum is σ = 19955661120. Its totient is φ = 2956393920.

The previous prime is 8130083707. The next prime is 8130083743. The reversal of 8130083720 is 273800318.

It is a super-2 number, since 2×8130083720² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9238292 + ... + 9239171.

It is an arithmetic number, because the mean of its divisors is an integer number (623614410).

Almost surely, 2^8130083720 is an apocalyptic number.

It is an amenable number.

8130083720 is an abundant number, since it is smaller than the sum of its proper divisors (11825577400).

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

8130083720 is a wasteful number, since it uses less digits than its factorization.

8130083720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18477485 (or 18477481 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 8130083720 is about 90166.9768817831. The cubic root of 8130083720 is about 2010.7820789327.

The spelling of 8130083720 in words is "eight billion, one hundred thirty million, eighty-three thousand, seven hundred twenty".