347122879 has 4 divisors (see below), whose sum is σ = 352813480. Its totient is φ = 341432280.

The previous prime is 347122861. The next prime is 347122889. The reversal of 347122879 is 978221743.

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 347122879 - 2⁹ = 347122367 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 (347122829) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2845209 + ... + 2845330.

It is an arithmetic number, because the mean of its divisors is an integer number (88203370).

Almost surely, 2^347122879 is an apocalyptic number.

347122879 is a deficient number, since it is larger than the sum of its proper divisors (5690601).

347122879 is an equidigital number, since it uses as much as digits as its factorization.

347122879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5690600.

The product of its digits is 169344, while the sum is 43.

The square root of 347122879 is about 18631.2339634282. The cubic root of 347122879 is about 702.7935165694.

The spelling of 347122879 in words is "three hundred forty-seven million, one hundred twenty-two thousand, eight hundred seventy-nine".