797400407 has 2 divisors, whose sum is σ = 797400408. Its totient is φ = 797400406.

The previous prime is 797400403. The next prime is 797400413. The reversal of 797400407 is 704004797.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 797400407 - 2² = 797400403 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (797400403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 398700203 + 398700204.

It is an arithmetic number, because the mean of its divisors is an integer number (398700204).

Almost surely, 2^797400407 is an apocalyptic number.

797400407 is a deficient number, since it is larger than the sum of its proper divisors (1).

797400407 is an equidigital number, since it uses as much as digits as its factorization.

797400407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 49392, while the sum is 38.

The square root of 797400407 is about 28238.2791083309. The cubic root of 797400407 is about 927.3111554557.

The spelling of 797400407 in words is "seven hundred ninety-seven million, four hundred thousand, four hundred seven".