398827345463 has 4 divisors (see below), whose sum is σ = 398828746320. Its totient is φ = 398825944608.

The previous prime is 398827345439. The next prime is 398827345507. The reversal of 398827345463 is 364543728893.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 364543728893 = 19 ⋅19186512047.

It is a cyclic number.

It is not a de Polignac number, because 398827345463 - 2¹⁰ = 398827344439 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 398827345396 and 398827345405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (398827345403) 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, 104195 + ... + 899172.

It is an arithmetic number, because the mean of its divisors is an integer number (99707186580).

Almost surely, 2^398827345463 is an apocalyptic number.

398827345463 is a deficient number, since it is larger than the sum of its proper divisors (1400857).

398827345463 is a wasteful number, since it uses less digits than its factorization.

398827345463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1400856.

The product of its digits is 104509440, while the sum is 62.

The spelling of 398827345463 in words is "three hundred ninety-eight billion, eight hundred twenty-seven million, three hundred forty-five thousand, four hundred sixty-three".