77044273499 has 2 divisors, whose sum is σ = 77044273500. Its totient is φ = 77044273498.

The previous prime is 77044273441. The next prime is 77044273541. The reversal of 77044273499 is 99437244077.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 77044273499 - 2³⁶ = 8324796763 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (77044273409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38522136749 + 38522136750.

It is an arithmetic number, because the mean of its divisors is an integer number (38522136750).

Almost surely, 2^77044273499 is an apocalyptic number.

77044273499 is a deficient number, since it is larger than the sum of its proper divisors (1).

77044273499 is an equidigital number, since it uses as much as digits as its factorization.

77044273499 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10668672, while the sum is 56.

The spelling of 77044273499 in words is "seventy-seven billion, forty-four million, two hundred seventy-three thousand, four hundred ninety-nine".