347132879 has 2 divisors, whose sum is σ = 347132880. Its totient is φ = 347132878.

The previous prime is 347132857. The next prime is 347132897. The reversal of 347132879 is 978231743.

Together with next prime (347132897) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is an emirp because it is prime and its reverse (978231743) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-347132879 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (347132179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 173566439 + 173566440.

It is an arithmetic number, because the mean of its divisors is an integer number (173566440).

Almost surely, 2^347132879 is an apocalyptic number.

347132879 is a deficient number, since it is larger than the sum of its proper divisors (1).

347132879 is an equidigital number, since it uses as much as digits as its factorization.

347132879 is an evil number, because the sum of its binary digits is even.

The product of its digits is 254016, while the sum is 44.

The square root of 347132879 is about 18631.5023280464. The cubic root of 347132879 is about 702.8002652532.

The spelling of 347132879 in words is "three hundred forty-seven million, one hundred thirty-two thousand, eight hundred seventy-nine".