390883993672279 has 2 divisors, whose sum is σ = 390883993672280. Its totient is φ = 390883993672278.

The previous prime is 390883993672267. The next prime is 390883993672331. The reversal of 390883993672279 is 972276399388093.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 390883993672279 - 2³⁵ = 390849633933911 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 390883993672196 and 390883993672205.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (390883993672259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 195441996836139 + 195441996836140.

It is an arithmetic number, because the mean of its divisors is an integer number (195441996836140).

Almost surely, 2^{390883993672279} is an apocalyptic number.

390883993672279 is a deficient number, since it is larger than the sum of its proper divisors (1).

390883993672279 is an equidigital number, since it uses as much as digits as its factorization.

390883993672279 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13332791808, while the sum is 85.

The spelling of 390883993672279 in words is "three hundred ninety trillion, eight hundred eighty-three billion, nine hundred ninety-three million, six hundred seventy-two thousand, two hundred seventy-nine".