398670808063 has 16 divisors (see below), whose sum is σ = 446937993216. Its totient is φ = 352480040640.

The previous prime is 398670808049. The next prime is 398670808069. The reversal of 398670808063 is 360808076893.

It is a cyclic number.

It is not a de Polignac number, because 398670808063 - 2²⁵ = 398637253631 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 398670807989 and 398670808007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (398670808069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1698495 + ... + 1918912.

It is an arithmetic number, because the mean of its divisors is an integer number (27933624576).

Almost surely, 2^398670808063 is an apocalyptic number.

398670808063 is a deficient number, since it is larger than the sum of its proper divisors (48267185153).

398670808063 is a wasteful number, since it uses less digits than its factorization.

398670808063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3617694.

The product of its (nonzero) digits is 10450944, while the sum is 58.

The spelling of 398670808063 in words is "three hundred ninety-eight billion, six hundred seventy million, eight hundred eight thousand, sixty-three".