794120072257 has 4 divisors (see below), whose sum is σ = 794191234756. Its totient is φ = 794048909760.

The previous prime is 794120072173. The next prime is 794120072303. The reversal of 794120072257 is 752270021497.

794120072257 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.

It can be written as a sum of positive squares in 2 ways, for example, as 50263846416 + 743856225841 = 224196^2 + 862471^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-794120072257 is a prime.

It is a super-2 number, since 2×794120072257² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (794120070257) 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, 35564508 + ... + 35586829.

It is an arithmetic number, because the mean of its divisors is an integer number (198547808689).

Almost surely, 2^794120072257 is an apocalyptic number.

It is an amenable number.

794120072257 is a deficient number, since it is larger than the sum of its proper divisors (71162499).

794120072257 is a wasteful number, since it uses less digits than its factorization.

794120072257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71162498.

The product of its (nonzero) digits is 493920, while the sum is 46.

The spelling of 794120072257 in words is "seven hundred ninety-four billion, one hundred twenty million, seventy-two thousand, two hundred fifty-seven".