794220895778 has 6 divisors (see below), whose sum is σ = 1191333234171. Its totient is φ = 397109817722.

The previous prime is 794220895771. The next prime is 794220895799. The reversal of 794220895778 is 877598022497.

It can be written as a sum of positive squares in only one way, i.e., 397110447889 + 397110447889 = 630167^2 + 630167^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=630167.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (794220895771) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 945251 + ... + 1575417.

Almost surely, 2^794220895778 is an apocalyptic number.

794220895778 is a deficient number, since it is larger than the sum of its proper divisors (397112338393).

794220895778 is an frugal number, since it uses more digits than its factorization.

794220895778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1260336 (or 630169 counting only the distinct ones).

The product of its (nonzero) digits is 142248960, while the sum is 68.

The spelling of 794220895778 in words is "seven hundred ninety-four billion, two hundred twenty million, eight hundred ninety-five thousand, seven hundred seventy-eight".