347970879 has 12 divisors (see below), whose sum is σ = 503173216. Its totient is φ = 231727392.

The previous prime is 347970863. The next prime is 347970881. The reversal of 347970879 is 978079743.

It is not a de Polignac number, because 347970879 - 2⁴ = 347970863 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (347970899) 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 11 ways as a sum of consecutive naturals, for example, 12199 + ... + 29064.

Almost surely, 2^347970879 is an apocalyptic number.

347970879 is a deficient number, since it is larger than the sum of its proper divisors (155202337).

347970879 is a wasteful number, since it uses less digits than its factorization.

347970879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42206 (or 42203 counting only the distinct ones).

The product of its (nonzero) digits is 2667168, while the sum is 54.

The square root of 347970879 is about 18653.9775651200. The cubic root of 347970879 is about 703.3653450586.

The spelling of 347970879 in words is "three hundred forty-seven million, nine hundred seventy thousand, eight hundred seventy-nine".