797819951 has 2 divisors, whose sum is σ = 797819952. Its totient is φ = 797819950.

The previous prime is 797819921. The next prime is 797820019. The reversal of 797819951 is 159918797.

It is a weak prime.

It is an emirp because it is prime and its reverse (159918797) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 797819951 - 2⁶ = 797819887 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (797819921) 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, 398909975 + 398909976.

It is an arithmetic number, because the mean of its divisors is an integer number (398909976).

Almost surely, 2^797819951 is an apocalyptic number.

797819951 is a deficient number, since it is larger than the sum of its proper divisors (1).

797819951 is an equidigital number, since it uses as much as digits as its factorization.

797819951 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1428840, while the sum is 56.

The square root of 797819951 is about 28245.7067711183. The cubic root of 797819951 is about 927.4737586752.

The spelling of 797819951 in words is "seven hundred ninety-seven million, eight hundred nineteen thousand, nine hundred fifty-one".