345879191 has 6 divisors (see below), whose sum is σ = 402349320. Its totient is φ = 296467836.

The previous prime is 345879179. The next prime is 345879199. The reversal of 345879191 is 191978543.

It is a de Polignac number, because none of the positive numbers 2^k-345879191 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 (345879199) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3529331 + ... + 3529428.

It is an arithmetic number, because the mean of its divisors is an integer number (67058220).

Almost surely, 2^345879191 is an apocalyptic number.

345879191 is a deficient number, since it is larger than the sum of its proper divisors (56470129).

345879191 is an equidigital number, since it uses as much as digits as its factorization.

345879191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7058773 (or 7058766 counting only the distinct ones).

The product of its digits is 272160, while the sum is 47.

The square root of 345879191 is about 18597.8275881889. The cubic root of 345879191 is about 701.9531783990.

The spelling of 345879191 in words is "three hundred forty-five million, eight hundred seventy-nine thousand, one hundred ninety-one".