8125909116 has 48 divisors (see below), whose sum is σ = 20424895008. Its totient is φ = 2499552000.

The previous prime is 8125909097. The next prime is 8125909117. The reversal of 8125909116 is 6119095218.

It is a super-2 number, since 2×8125909116² (a number of 21 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (42) 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 (8125909117) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 815766 + ... + 825666.

It is an arithmetic number, because the mean of its divisors is an integer number (425518646).

Almost surely, 2^8125909116 is an apocalyptic number.

It is an amenable number.

8125909116 is an abundant number, since it is smaller than the sum of its proper divisors (12298985892).

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

8125909116 is a wasteful number, since it uses less digits than its factorization.

8125909116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15182 (or 15180 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 42.

The square root of 8125909116 is about 90143.8246137804. The cubic root of 8125909116 is about 2010.4378571365.

The spelling of 8125909116 in words is "eight billion, one hundred twenty-five million, nine hundred nine thousand, one hundred sixteen".