398826078453 has 24 divisors (see below), whose sum is σ = 649450491200. Its totient is φ = 241712772840.

The previous prime is 398826078433. The next prime is 398826078487. The reversal of 398826078453 is 354870628893.

398826078453 is a `hidden beast` number, since 3 + 98 + 8 + 26 + 0 + 78 + 453 = 666.

It is not a de Polignac number, because 398826078453 - 2²⁰ = 398825029877 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (398826078433) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 61035313 + ... + 61041846.

Almost surely, 2^398826078453 is an apocalyptic number.

398826078453 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

It is an amenable number.

398826078453 is a deficient number, since it is larger than the sum of its proper divisors (250624412747).

398826078453 is a wasteful number, since it uses less digits than its factorization.

398826078453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122077190 (or 122077173 counting only the distinct ones).

The product of its (nonzero) digits is 69672960, while the sum is 63.

The spelling of 398826078453 in words is "three hundred ninety-eight billion, eight hundred twenty-six million, seventy-eight thousand, four hundred fifty-three".