791998093 has 2 divisors, whose sum is σ = 791998094. Its totient is φ = 791998092.

The previous prime is 791998079. The next prime is 791998099. The reversal of 791998093 is 390899197.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 618865129 + 173132964 = 24877^2 + 13158^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-791998093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (791998099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 395999046 + 395999047.

It is an arithmetic number, because the mean of its divisors is an integer number (395999047).

Almost surely, 2^791998093 is an apocalyptic number.

It is an amenable number.

791998093 is a deficient number, since it is larger than the sum of its proper divisors (1).

791998093 is an equidigital number, since it uses as much as digits as its factorization.

791998093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1102248, while the sum is 55.

The square root of 791998093 is about 28142.4606777730. The cubic root of 791998093 is about 925.2122592513.

The spelling of 791998093 in words is "seven hundred ninety-one million, nine hundred ninety-eight thousand, ninety-three".