193775934808 has 16 divisors (see below), whose sum is σ = 365558897880. Its totient is φ = 96293562048.

The previous prime is 193775934787. The next prime is 193775934841. The reversal of 193775934808 is 808439577391.

It is a super-2 number, since 2×193775934808² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 193775934808.

It is a congruent number.

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, 74299285 + ... + 74301892.

Almost surely, 2^193775934808 is an apocalyptic number.

It is an amenable number.

193775934808 is a deficient number, since it is larger than the sum of its proper divisors (171782963072).

193775934808 is a wasteful number, since it uses less digits than its factorization.

193775934808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148601346 (or 148601342 counting only the distinct ones).

The product of its (nonzero) digits is 45722880, while the sum is 64.

The spelling of 193775934808 in words is "one hundred ninety-three billion, seven hundred seventy-five million, nine hundred thirty-four thousand, eight hundred eight".