390105745879 has 2 divisors, whose sum is σ = 390105745880. Its totient is φ = 390105745878.

The previous prime is 390105745853. The next prime is 390105745921. The reversal of 390105745879 is 978547501093.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 390105745879 - 2⁷ = 390105745751 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (390105745829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 195052872939 + 195052872940.

It is an arithmetic number, because the mean of its divisors is an integer number (195052872940).

Almost surely, 2^390105745879 is an apocalyptic number.

390105745879 is a deficient number, since it is larger than the sum of its proper divisors (1).

390105745879 is an equidigital number, since it uses as much as digits as its factorization.

390105745879 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9525600, while the sum is 58.

The spelling of 390105745879 in words is "three hundred ninety billion, one hundred five million, seven hundred forty-five thousand, eight hundred seventy-nine".