397863595118 has 32 divisors (see below), whose sum is σ = 656014969440. Its totient is φ = 179473039360.

The previous prime is 397863595109. The next prime is 397863595139. The reversal of 397863595118 is 811595368793.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1390130 + ... + 1651722.

It is an arithmetic number, because the mean of its divisors is an integer number (20500467795).

Almost surely, 2^397863595118 is an apocalyptic number.

397863595118 is a deficient number, since it is larger than the sum of its proper divisors (258151374322).

397863595118 is a wasteful number, since it uses less digits than its factorization.

397863595118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262132.

The product of its digits is 48988800, while the sum is 65.

The spelling of 397863595118 in words is "three hundred ninety-seven billion, eight hundred sixty-three million, five hundred ninety-five thousand, one hundred eighteen".