193968196720777 has 16 divisors (see below), whose sum is σ = 203669419524480. Its totient is φ = 184472653724800.

The previous prime is 193968196720741. The next prime is 193968196720843. The reversal of 193968196720777 is 777027691869391.

193968196720777 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-193968196720777 is a prime.

It is a super-2 number, since 2×193968196720777² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 193968196720777.

It is not an unprimeable number, because it can be changed into a prime (193968194720777) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40927348 + ... + 45420085.

It is an arithmetic number, because the mean of its divisors is an integer number (12729338720280).

Almost surely, 2^{193968196720777} is an apocalyptic number.

It is an amenable number.

193968196720777 is a deficient number, since it is larger than the sum of its proper divisors (9701222803703).

193968196720777 is a wasteful number, since it uses less digits than its factorization.

193968196720777 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86348624.

The product of its (nonzero) digits is 3024568512, while the sum is 82.

The spelling of 193968196720777 in words is "one hundred ninety-three trillion, nine hundred sixty-eight billion, one hundred ninety-six million, seven hundred twenty thousand, seven hundred seventy-seven".