774749113 has 2 divisors, whose sum is σ = 774749114. Its totient is φ = 774749112.

The previous prime is 774749099. The next prime is 774749153. The reversal of 774749113 is 311947477.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 703734784 + 71014329 = 26528^2 + 8427^2 .

It is an emirp because it is prime and its reverse (311947477) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 774749113 - 2¹³ = 774740921 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 774749113.

It is not a weakly prime, because it can be changed into another prime (774749153) 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, 387374556 + 387374557.

It is an arithmetic number, because the mean of its divisors is an integer number (387374557).

Almost surely, 2^774749113 is an apocalyptic number.

It is an amenable number.

774749113 is a deficient number, since it is larger than the sum of its proper divisors (1).

774749113 is an equidigital number, since it uses as much as digits as its factorization.

774749113 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 148176, while the sum is 43.

The square root of 774749113 is about 27834.3153858686. The cubic root of 774749113 is about 918.4461455703.

The spelling of 774749113 in words is "seven hundred seventy-four million, seven hundred forty-nine thousand, one hundred thirteen".