7904313227 has 4 divisors (see below), whose sum is σ = 7982573856. Its totient is φ = 7826052600.

The previous prime is 7904313223. The next prime is 7904313271. The reversal of 7904313227 is 7223134097.

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 7904313227 - 2² = 7904313223 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7904313223) 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 3 ways as a sum of consecutive naturals, for example, 39130163 + ... + 39130364.

It is an arithmetic number, because the mean of its divisors is an integer number (1995643464).

Almost surely, 2^7904313227 is an apocalyptic number.

7904313227 is a deficient number, since it is larger than the sum of its proper divisors (78260629).

7904313227 is a wasteful number, since it uses less digits than its factorization.

7904313227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78260628.

The product of its (nonzero) digits is 63504, while the sum is 38.

The square root of 7904313227 is about 88906.2046597424. The cubic root of 7904313227 is about 1991.9940977760.

The spelling of 7904313227 in words is "seven billion, nine hundred four million, three hundred thirteen thousand, two hundred twenty-seven".