8125012404 has 72 divisors (see below), whose sum is σ = 20651085000. Its totient is φ = 2693505024.

The previous prime is 8125012403. The next prime is 8125012409. The reversal of 8125012404 is 4042105218.

8125012404 is a `hidden beast` number, since 8 + 1 + 250 + 1 + 2 + 404 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 5958296100 + 2166716304 = 77190^2 + 46548^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8125012403) 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 23 ways as a sum of consecutive naturals, for example, 6610462 + ... + 6611690.

It is an arithmetic number, because the mean of its divisors is an integer number (286820625).

Almost surely, 2^8125012404 is an apocalyptic number.

It is an amenable number.

8125012404 is an abundant number, since it is smaller than the sum of its proper divisors (12526072596).

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

8125012404 is a wasteful number, since it uses less digits than its factorization.

8125012404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2097 (or 2092 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 27.

The square root of 8125012404 is about 90138.8506915858. The cubic root of 8125012404 is about 2010.3639023316.

The spelling of 8125012404 in words is "eight billion, one hundred twenty-five million, twelve thousand, four hundred four".