7912404879 has 4 divisors (see below), whose sum is σ = 10549873176. Its totient is φ = 5274936584.

The previous prime is 7912404853. The next prime is 7912404893. The reversal of 7912404879 is 9784042197.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 7912404879 - 2⁸ = 7912404623 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7912404679) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1318734144 + ... + 1318734149.

It is an arithmetic number, because the mean of its divisors is an integer number (2637468294).

Almost surely, 2^7912404879 is an apocalyptic number.

7912404879 is a deficient number, since it is larger than the sum of its proper divisors (2637468297).

7912404879 is a wasteful number, since it uses less digits than its factorization.

7912404879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2637468296.

The product of its (nonzero) digits is 1016064, while the sum is 51.

The square root of 7912404879 is about 88951.6996970828. The cubic root of 7912404879 is about 1992.6736012954.

The spelling of 7912404879 in words is "seven billion, nine hundred twelve million, four hundred four thousand, eight hundred seventy-nine".