794777381 has 2 divisors, whose sum is σ = 794777382. Its totient is φ = 794777380.

The previous prime is 794777371. The next prime is 794777407. The reversal of 794777381 is 183777497.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 773340481 + 21436900 = 27809^2 + 4630^2 .

It is a cyclic number.

It is not a de Polignac number, because 794777381 - 2⁶ = 794777317 is a prime.

It is a super-2 number, since 2×794777381² = 1263342170698438322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (794777311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 397388690 + 397388691.

It is an arithmetic number, because the mean of its divisors is an integer number (397388691).

Almost surely, 2^794777381 is an apocalyptic number.

It is an amenable number.

794777381 is a deficient number, since it is larger than the sum of its proper divisors (1).

794777381 is an equidigital number, since it uses as much as digits as its factorization.

794777381 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2074464, while the sum is 53.

The square root of 794777381 is about 28191.7963421986. The cubic root of 794777381 is about 926.2932506092.

The spelling of 794777381 in words is "seven hundred ninety-four million, seven hundred seventy-seven thousand, three hundred eighty-one".