797130811 has 2 divisors, whose sum is σ = 797130812. Its totient is φ = 797130810.

The previous prime is 797130809. The next prime is 797130821. The reversal of 797130811 is 118031797.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 797130811 - 2¹ = 797130809 is a prime.

Together with 797130809, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (797130821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 398565405 + 398565406.

It is an arithmetic number, because the mean of its divisors is an integer number (398565406).

Almost surely, 2^797130811 is an apocalyptic number.

797130811 is a deficient number, since it is larger than the sum of its proper divisors (1).

797130811 is an equidigital number, since it uses as much as digits as its factorization.

797130811 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10584, while the sum is 37.

The square root of 797130811 is about 28233.5051136057. The cubic root of 797130811 is about 927.2066376770.

The spelling of 797130811 in words is "seven hundred ninety-seven million, one hundred thirty thousand, eight hundred eleven".