794920766663 has 4 divisors (see below), whose sum is σ = 795454630320. Its totient is φ = 794386903008.

The previous prime is 794920766611. The next prime is 794920766671. The reversal of 794920766663 is 366667029497.

794920766663 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 366667029497 = 113 ⋅3244840969.

It is a cyclic number.

It is not a de Polignac number, because 794920766663 - 2¹² = 794920762567 is a prime.

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 794920766663.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (794920766693) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 266929595 + ... + 266932572.

It is an arithmetic number, because the mean of its divisors is an integer number (198863657580).

Almost surely, 2^794920766663 is an apocalyptic number.

794920766663 is a deficient number, since it is larger than the sum of its proper divisors (533863657).

794920766663 is a wasteful number, since it uses less digits than its factorization.

794920766663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 533863656.

The product of its (nonzero) digits is 123451776, while the sum is 65.

The spelling of 794920766663 in words is "seven hundred ninety-four billion, nine hundred twenty million, seven hundred sixty-six thousand, six hundred sixty-three".