398826829763 has 16 divisors (see below), whose sum is σ = 430458416640. Its totient is φ = 368323380000.

The previous prime is 398826829721. The next prime is 398826829777. The reversal of 398826829763 is 367928628893.

It is a cyclic number.

It is not a de Polignac number, because 398826829763 - 2¹² = 398826825667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (398826849763) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 665528 + ... + 1113813.

It is an arithmetic number, because the mean of its divisors is an integer number (26903651040).

Almost surely, 2^398826829763 is an apocalyptic number.

398826829763 is a deficient number, since it is larger than the sum of its proper divisors (31631586877).

398826829763 is a wasteful number, since it uses less digits than its factorization.

398826829763 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1779658.

The product of its digits is 376233984, while the sum is 71.

The spelling of 398826829763 in words is "three hundred ninety-eight billion, eight hundred twenty-six million, eight hundred twenty-nine thousand, seven hundred sixty-three".