8125795639 has 16 divisors (see below), whose sum is σ = 8825135200. Its totient is φ = 7481567808.

The previous prime is 8125795627. The next prime is 8125795669. The reversal of 8125795639 is 9365975218.

It is not a de Polignac number, because 8125795639 - 2¹³ = 8125787447 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8125795639.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8125795669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 894052 + ... + 903094.

It is an arithmetic number, because the mean of its divisors is an integer number (551570950).

Almost surely, 2^8125795639 is an apocalyptic number.

8125795639 is a deficient number, since it is larger than the sum of its proper divisors (699339561).

8125795639 is an equidigital number, since it uses as much as digits as its factorization.

8125795639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9491 (or 9465 counting only the distinct ones).

The product of its digits is 4082400, while the sum is 55.

The square root of 8125795639 is about 90143.1951896537. The cubic root of 8125795639 is about 2010.4284986136.

The spelling of 8125795639 in words is "eight billion, one hundred twenty-five million, seven hundred ninety-five thousand, six hundred thirty-nine".