398826078383 has 2 divisors, whose sum is σ = 398826078384. Its totient is φ = 398826078382.

The previous prime is 398826078379. The next prime is 398826078433. The reversal of 398826078383 is 383870628893.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 398826078383 - 2² = 398826078379 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (398826078373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 199413039191 + 199413039192.

It is an arithmetic number, because the mean of its divisors is an integer number (199413039192).

Almost surely, 2^398826078383 is an apocalyptic number.

398826078383 is a deficient number, since it is larger than the sum of its proper divisors (1).

398826078383 is an equidigital number, since it uses as much as digits as its factorization.

398826078383 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 83607552, while the sum is 65.

The spelling of 398826078383 in words is "three hundred ninety-eight billion, eight hundred twenty-six million, seventy-eight thousand, three hundred eighty-three".