345184415879 has 2 divisors, whose sum is σ = 345184415880. Its totient is φ = 345184415878.

The previous prime is 345184415833. The next prime is 345184415987. The reversal of 345184415879 is 978514481543.

It is a happy number.

Together with next prime (345184415987) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-345184415879 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (345184415179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172592207939 + 172592207940.

It is an arithmetic number, because the mean of its divisors is an integer number (172592207940).

Almost surely, 2^345184415879 is an apocalyptic number.

345184415879 is a deficient number, since it is larger than the sum of its proper divisors (1).

345184415879 is an equidigital number, since it uses as much as digits as its factorization.

345184415879 is an evil number, because the sum of its binary digits is even.

The product of its digits is 19353600, while the sum is 59.

The spelling of 345184415879 in words is "three hundred forty-five billion, one hundred eighty-four million, four hundred fifteen thousand, eight hundred seventy-nine".