797402069 has 2 divisors, whose sum is σ = 797402070. Its totient is φ = 797402068.

The previous prime is 797402027. The next prime is 797402083. The reversal of 797402069 is 960204797.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 710222500 + 87179569 = 26650^2 + 9337^2 .

It is a cyclic number.

It is not a de Polignac number, because 797402069 - 2¹² = 797397973 is a prime.

It is a super-2 number, since 2×797402069² = 1271700119290961522, which contains 22 as substring.

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 (797402269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 398701034 + 398701035.

It is an arithmetic number, because the mean of its divisors is an integer number (398701035).

Almost surely, 2^797402069 is an apocalyptic number.

It is an amenable number.

797402069 is a deficient number, since it is larger than the sum of its proper divisors (1).

797402069 is an equidigital number, since it uses as much as digits as its factorization.

797402069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 190512, while the sum is 44.

The square root of 797402069 is about 28238.3085364545. The cubic root of 797402069 is about 927.3117997117.

The spelling of 797402069 in words is "seven hundred ninety-seven million, four hundred two thousand, sixty-nine".