797440093 has 2 divisors, whose sum is σ = 797440094. Its totient is φ = 797440092.

The previous prime is 797440019. The next prime is 797440109. The reversal of 797440093 is 390044797.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 467727129 + 329712964 = 21627^2 + 18158^2 .

It is a cyclic number.

It is not a de Polignac number, because 797440093 - 2¹⁷ = 797309021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (797440793) 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, 398720046 + 398720047.

It is an arithmetic number, because the mean of its divisors is an integer number (398720047).

Almost surely, 2^797440093 is an apocalyptic number.

It is an amenable number.

797440093 is a deficient number, since it is larger than the sum of its proper divisors (1).

797440093 is an equidigital number, since it uses as much as digits as its factorization.

797440093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 190512, while the sum is 43.

The square root of 797440093 is about 28238.9817982165. The cubic root of 797440093 is about 927.3265390529.

The spelling of 797440093 in words is "seven hundred ninety-seven million, four hundred forty thousand, ninety-three".