393738857068 has 12 divisors (see below), whose sum is σ = 689752628712. Its totient is φ = 196666677440.

The previous prime is 393738857059. The next prime is 393738857107. The reversal of 393738857068 is 860758837393.

It is a junction number, because it is equal to n+sod(n) for n = 393738856994 and 393738857012.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50683405 + ... + 50691172.

It is an arithmetic number, because the mean of its divisors is an integer number (57479385726).

Almost surely, 2^393738857068 is an apocalyptic number.

It is an amenable number.

393738857068 is a deficient number, since it is larger than the sum of its proper divisors (296013771644).

393738857068 is a wasteful number, since it uses less digits than its factorization.

393738857068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101375552 (or 101375550 counting only the distinct ones).

The product of its (nonzero) digits is 182891520, while the sum is 67.

The spelling of 393738857068 in words is "three hundred ninety-three billion, seven hundred thirty-eight million, eight hundred fifty-seven thousand, sixty-eight".