345147679 has 2 divisors, whose sum is σ = 345147680. Its totient is φ = 345147678.

The previous prime is 345147661. The next prime is 345147709. The reversal of 345147679 is 976741543.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 345147679 - 2²⁷ = 210929951 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (345147079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172573839 + 172573840.

It is an arithmetic number, because the mean of its divisors is an integer number (172573840).

Almost surely, 2^345147679 is an apocalyptic number.

345147679 is a deficient number, since it is larger than the sum of its proper divisors (1).

345147679 is an equidigital number, since it uses as much as digits as its factorization.

345147679 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 635040, while the sum is 46.

The square root of 345147679 is about 18578.1505807225. The cubic root of 345147679 is about 701.4579673445.

The spelling of 345147679 in words is "three hundred forty-five million, one hundred forty-seven thousand, six hundred seventy-nine".