77092049 has 2 divisors, whose sum is σ = 77092050. Its totient is φ = 77092048.

The previous prime is 77092039. The next prime is 77092061. The reversal of 77092049 is 94029077.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38837824 + 38254225 = 6232^2 + 6185^2 .

It is an emirp because it is prime and its reverse (94029077) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 77092049 - 2⁸ = 77091793 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (77092039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38546024 + 38546025.

It is an arithmetic number, because the mean of its divisors is an integer number (38546025).

Almost surely, 2^77092049 is an apocalyptic number.

It is an amenable number.

77092049 is a deficient number, since it is larger than the sum of its proper divisors (1).

77092049 is an equidigital number, since it uses as much as digits as its factorization.

77092049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31752, while the sum is 38.

The square root of 77092049 is about 8780.2077993633. The cubic root of 77092049 is about 425.6015454022.

The spelling of 77092049 in words is "seventy-seven million, ninety-two thousand, forty-nine".