76307797 has 2 divisors, whose sum is σ = 76307798. Its totient is φ = 76307796.

The previous prime is 76307789. The next prime is 76307807. The reversal of 76307797 is 79770367.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 67223601 + 9084196 = 8199^2 + 3014^2 .

It is a cyclic number.

It is not a de Polignac number, because 76307797 - 2³ = 76307789 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (76307197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38153898 + 38153899.

It is an arithmetic number, because the mean of its divisors is an integer number (38153899).

Almost surely, 2^76307797 is an apocalyptic number.

It is an amenable number.

76307797 is a deficient number, since it is larger than the sum of its proper divisors (1).

76307797 is an equidigital number, since it uses as much as digits as its factorization.

76307797 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 388962, while the sum is 46.

The square root of 76307797 is about 8735.4334179822. The cubic root of 76307797 is about 424.1534188043.

The spelling of 76307797 in words is "seventy-six million, three hundred seven thousand, seven hundred ninety-seven".