398826758311 has 2 divisors, whose sum is σ = 398826758312. Its totient is φ = 398826758310.

The previous prime is 398826758287. The next prime is 398826758327. The reversal of 398826758311 is 113857628893.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 398826758311 - 2⁵ = 398826758279 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 398826758311.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (398826758411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 199413379155 + 199413379156.

It is an arithmetic number, because the mean of its divisors is an integer number (199413379156).

Almost surely, 2^398826758311 is an apocalyptic number.

398826758311 is a deficient number, since it is larger than the sum of its proper divisors (1).

398826758311 is an equidigital number, since it uses as much as digits as its factorization.

398826758311 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17418240, while the sum is 61.

The spelling of 398826758311 in words is "three hundred ninety-eight billion, eight hundred twenty-six million, seven hundred fifty-eight thousand, three hundred eleven".