345001879 has 4 divisors (see below), whose sum is σ = 345099384. Its totient is φ = 344904376.

The previous prime is 345001873. The next prime is 345001889. The reversal of 345001879 is 978100543.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 978100543 = 7 ⋅139728649.

It is a cyclic number.

It is not a de Polignac number, because 345001879 - 2³ = 345001871 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 (345001871) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43237 + ... + 50590.

It is an arithmetic number, because the mean of its divisors is an integer number (86274846).

Almost surely, 2^345001879 is an apocalyptic number.

345001879 is a deficient number, since it is larger than the sum of its proper divisors (97505).

345001879 is an equidigital number, since it uses as much as digits as its factorization.

345001879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97504.

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 345001879 is about 18574.2262019175. The cubic root of 345001879 is about 701.3591816341.

The spelling of 345001879 in words is "three hundred forty-five million, one thousand, eight hundred seventy-nine".