791897101 has 2 divisors, whose sum is σ = 791897102. Its totient is φ = 791897100.

The previous prime is 791897089. The next prime is 791897131. The reversal of 791897101 is 101798197.

791897101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 741472900 + 50424201 = 27230^2 + 7101^2 .

It is a cyclic number.

It is not a de Polignac number, because 791897101 - 2⁵ = 791897069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (791897131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 395948550 + 395948551.

It is an arithmetic number, because the mean of its divisors is an integer number (395948551).

Almost surely, 2^791897101 is an apocalyptic number.

It is an amenable number.

791897101 is a deficient number, since it is larger than the sum of its proper divisors (1).

791897101 is an equidigital number, since it uses as much as digits as its factorization.

791897101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31752, while the sum is 43.

The square root of 791897101 is about 28140.6663211801. Note that the first 3 decimals coincide. The cubic root of 791897101 is about 925.1729312911.

The spelling of 791897101 in words is "seven hundred ninety-one million, eight hundred ninety-seven thousand, one hundred one".