791377673 has 2 divisors, whose sum is σ = 791377674. Its totient is φ = 791377672.

The previous prime is 791377661. The next prime is 791377687. The reversal of 791377673 is 376773197.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 507691024 + 283686649 = 22532^2 + 16843^2 .

It is a cyclic number.

It is not a de Polignac number, because 791377673 - 2¹² = 791373577 is a prime.

It is not a weakly prime, because it can be changed into another prime (791377603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 395688836 + 395688837.

It is an arithmetic number, because the mean of its divisors is an integer number (395688837).

Almost surely, 2^791377673 is an apocalyptic number.

It is an amenable number.

791377673 is a deficient number, since it is larger than the sum of its proper divisors (1).

791377673 is an equidigital number, since it uses as much as digits as its factorization.

791377673 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1166886, while the sum is 50.

The square root of 791377673 is about 28131.4356725710. The cubic root of 791377673 is about 924.9706045687.

The spelling of 791377673 in words is "seven hundred ninety-one million, three hundred seventy-seven thousand, six hundred seventy-three".