345779719 has 8 divisors (see below), whose sum is σ = 350745120. Its totient is φ = 340847136.

The previous prime is 345779713. The next prime is 345779729. The reversal of 345779719 is 917977543.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 345779719 - 2⁷ = 345779591 is a prime.

It is a super-2 number, since 2×345779719² = 239127228143437922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345779713) 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 in 7 ways as a sum of consecutive naturals, for example, 13422 + ... + 29524.

It is an arithmetic number, because the mean of its divisors is an integer number (43843140).

Almost surely, 2^345779719 is an apocalyptic number.

345779719 is a deficient number, since it is larger than the sum of its proper divisors (4965401).

345779719 is a wasteful number, since it uses less digits than its factorization.

345779719 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16409.

The product of its digits is 1666980, while the sum is 52.

The square root of 345779719 is about 18595.1531050433. The cubic root of 345779719 is about 701.8858799673.

The spelling of 345779719 in words is "three hundred forty-five million, seven hundred seventy-nine thousand, seven hundred nineteen".