8404712425 has 6 divisors (see below), whose sum is σ = 10421843438. Its totient is φ = 6723769920.

The previous prime is 8404712363. The next prime is 8404712441. The reversal of 8404712425 is 5242174048.

It can be written as a sum of positive squares in 3 ways, for example, as 1769632489 + 6635079936 = 42067^2 + 81456^2 .

It is a de Polignac number, because none of the positive numbers 2^k-8404712425 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 168094224 + ... + 168094273.

Almost surely, 2^8404712425 is an apocalyptic number.

It is an amenable number.

8404712425 is a deficient number, since it is larger than the sum of its proper divisors (2017131013).

8404712425 is a wasteful number, since it uses less digits than its factorization.

8404712425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336188507 (or 336188502 counting only the distinct ones).

The product of its (nonzero) digits is 71680, while the sum is 37.

The square root of 8404712425 is about 91677.2186805424. The cubic root of 8404712425 is about 2033.1727768205.

The spelling of 8404712425 in words is "eight billion, four hundred four million, seven hundred twelve thousand, four hundred twenty-five".