398826771263 has 4 divisors (see below), whose sum is σ = 398828095200. Its totient is φ = 398825447328.

The previous prime is 398826771247. The next prime is 398826771293. The reversal of 398826771263 is 362177628893.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 398826771263 - 2⁴ = 398826771247 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 398826771196 and 398826771205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (398826771293) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33338 + ... + 893736.

It is an arithmetic number, because the mean of its divisors is an integer number (99707023800).

Almost surely, 2^398826771263 is an apocalyptic number.

398826771263 is a deficient number, since it is larger than the sum of its proper divisors (1323937).

398826771263 is an equidigital number, since it uses as much as digits as its factorization.

398826771263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1323936.

The product of its digits is 36578304, while the sum is 62.

The spelling of 398826771263 in words is "three hundred ninety-eight billion, eight hundred twenty-six million, seven hundred seventy-one thousand, two hundred sixty-three".