797913773 has 2 divisors, whose sum is σ = 797913774. Its totient is φ = 797913772.

The previous prime is 797913749. The next prime is 797913803. The reversal of 797913773 is 377319797.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 768287524 + 29626249 = 27718^2 + 5443^2 .

It is a cyclic number.

It is not a de Polignac number, because 797913773 - 2⁶ = 797913709 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (797913713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 398956886 + 398956887.

It is an arithmetic number, because the mean of its divisors is an integer number (398956887).

Almost surely, 2^797913773 is an apocalyptic number.

It is an amenable number.

797913773 is a deficient number, since it is larger than the sum of its proper divisors (1).

797913773 is an equidigital number, since it uses as much as digits as its factorization.

797913773 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1750329, while the sum is 53.

The square root of 797913773 is about 28247.3675410648. The cubic root of 797913773 is about 927.5101135913.

The spelling of 797913773 in words is "seven hundred ninety-seven million, nine hundred thirteen thousand, seven hundred seventy-three".