346808879 has 2 divisors, whose sum is σ = 346808880. Its totient is φ = 346808878.

The previous prime is 346808863. The next prime is 346808887. The reversal of 346808879 is 978808643.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 346808879 - 2⁴ = 346808863 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 346808879.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (346808179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 173404439 + 173404440.

It is an arithmetic number, because the mean of its divisors is an integer number (173404440).

Almost surely, 2^346808879 is an apocalyptic number.

346808879 is a deficient number, since it is larger than the sum of its proper divisors (1).

346808879 is an equidigital number, since it uses as much as digits as its factorization.

346808879 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2322432, while the sum is 53.

The square root of 346808879 is about 18622.8053472080. The cubic root of 346808879 is about 702.5815419335.

The spelling of 346808879 in words is "three hundred forty-six million, eight hundred eight thousand, eight hundred seventy-nine".