193770857068 has 12 divisors (see below), whose sum is σ = 350792069040. Its totient is φ = 93544551632.

The previous prime is 193770857057. The next prime is 193770857083. The reversal of 193770857068 is 860758077391.

It is a junction number, because it is equal to n+sod(n) for n = 193770856997 and 193770857015.

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, 835219096 + ... + 835219327.

It is an arithmetic number, because the mean of its divisors is an integer number (29232672420).

Almost surely, 2^193770857068 is an apocalyptic number.

It is an amenable number.

193770857068 is a deficient number, since it is larger than the sum of its proper divisors (157021211972).

193770857068 is a wasteful number, since it uses less digits than its factorization.

193770857068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1670438456 (or 1670438454 counting only the distinct ones).

The product of its (nonzero) digits is 17781120, while the sum is 61.

The spelling of 193770857068 in words is "one hundred ninety-three billion, seven hundred seventy million, eight hundred fifty-seven thousand, sixty-eight".