398882185882 has 16 divisors (see below), whose sum is σ = 639565077312. Its totient is φ = 186116819680.

The previous prime is 398882185853. The next prime is 398882185963. The reversal of 398882185882 is 288581288893.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105746308 + ... + 105750079.

It is an arithmetic number, because the mean of its divisors is an integer number (39972817332).

Almost surely, 2^398882185882 is an apocalyptic number.

398882185882 is a deficient number, since it is larger than the sum of its proper divisors (240682891430).

398882185882 is a wasteful number, since it uses less digits than its factorization.

398882185882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211496453.

The product of its digits is 141557760, while the sum is 70.

The spelling of 398882185882 in words is "three hundred ninety-eight billion, eight hundred eighty-two million, one hundred eighty-five thousand, eight hundred eighty-two".