345896879 has 2 divisors, whose sum is σ = 345896880. Its totient is φ = 345896878.

The previous prime is 345896827. The next prime is 345896893. The reversal of 345896879 is 978698543.

It is a strong prime.

It is an emirp because it is prime and its reverse (978698543) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 345896879 - 2²⁴ = 329119663 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (345896899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172948439 + 172948440.

It is an arithmetic number, because the mean of its divisors is an integer number (172948440).

Almost surely, 2^345896879 is an apocalyptic number.

345896879 is a deficient number, since it is larger than the sum of its proper divisors (1).

345896879 is an equidigital number, since it uses as much as digits as its factorization.

345896879 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13063680, while the sum is 59.

The square root of 345896879 is about 18598.3031215216. The cubic root of 345896879 is about 701.9651439797.

The spelling of 345896879 in words is "three hundred forty-five million, eight hundred ninety-six thousand, eight hundred seventy-nine".