7774099213 has 2 divisors, whose sum is σ = 7774099214. Its totient is φ = 7774099212.

The previous prime is 7774099159. The next prime is 7774099217. The reversal of 7774099213 is 3129904777.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6287379849 + 1486719364 = 79293^2 + 38558^2 .

It is a cyclic number.

It is not a de Polignac number, because 7774099213 - 2²¹ = 7772002061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7774099217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3887049606 + 3887049607.

It is an arithmetic number, because the mean of its divisors is an integer number (3887049607).

Almost surely, 2^7774099213 is an apocalyptic number.

It is an amenable number.

7774099213 is a deficient number, since it is larger than the sum of its proper divisors (1).

7774099213 is an equidigital number, since it uses as much as digits as its factorization.

7774099213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 666792, while the sum is 49.

The square root of 7774099213 is about 88170.8524003256. The cubic root of 7774099213 is about 1980.9949097315.

The spelling of 7774099213 in words is "seven billion, seven hundred seventy-four million, ninety-nine thousand, two hundred thirteen".