398882236671 has 8 divisors (see below), whose sum is σ = 590936646960. Its totient is φ = 265921491096.

The previous prime is 398882236663. The next prime is 398882236691. The reversal of 398882236671 is 176632288893.

398882236671 is a `hidden beast` number, since 398 + 8 + 8 + 2 + 236 + 6 + 7 + 1 = 666.

It is not a de Polignac number, because 398882236671 - 2³ = 398882236663 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 398882236599 and 398882236608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (398882236691) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7386708060 + ... + 7386708113.

It is an arithmetic number, because the mean of its divisors is an integer number (73867080870).

Almost surely, 2^398882236671 is an apocalyptic number.

398882236671 is a deficient number, since it is larger than the sum of its proper divisors (192054410289).

398882236671 is a wasteful number, since it uses less digits than its factorization.

398882236671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14773416182 (or 14773416176 counting only the distinct ones).

The product of its digits is 41803776, while the sum is 63.

The spelling of 398882236671 in words is "three hundred ninety-eight billion, eight hundred eighty-two million, two hundred thirty-six thousand, six hundred seventy-one".