398889576207 has 48 divisors (see below), whose sum is σ = 592007315328. Its totient is φ = 258706768320.

The previous prime is 398889576191. The next prime is 398889576269. The reversal of 398889576207 is 702675988893.

398889576207 is a `hidden beast` number, since 398 + 88 + 95 + 76 + 2 + 0 + 7 = 666.

It is not a de Polignac number, because 398889576207 - 2⁴ = 398889576191 is a prime.

It is a super-2 number, since 2×398889576207² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (398889576287) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 125159868 + ... + 125163054.

It is an arithmetic number, because the mean of its divisors is an integer number (12333485736).

Almost surely, 2^398889576207 is an apocalyptic number.

398889576207 is a deficient number, since it is larger than the sum of its proper divisors (193117739121).

398889576207 is a wasteful number, since it uses less digits than its factorization.

398889576207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5380 (or 5377 counting only the distinct ones).

The product of its (nonzero) digits is 365783040, while the sum is 72.

The spelling of 398889576207 in words is "three hundred ninety-eight billion, eight hundred eighty-nine million, five hundred seventy-six thousand, two hundred seven".