76813727 has 2 divisors, whose sum is σ = 76813728. Its totient is φ = 76813726.

The previous prime is 76813703. The next prime is 76813747. The reversal of 76813727 is 72731867.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 76813727 - 2¹² = 76809631 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (76813747) 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, 38406863 + 38406864.

It is an arithmetic number, because the mean of its divisors is an integer number (38406864).

Almost surely, 2^76813727 is an apocalyptic number.

76813727 is a deficient number, since it is larger than the sum of its proper divisors (1).

76813727 is an equidigital number, since it uses as much as digits as its factorization.

76813727 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 98784, while the sum is 41.

The square root of 76813727 is about 8764.3440712925. The cubic root of 76813727 is about 425.0887510154.

The spelling of 76813727 in words is "seventy-six million, eight hundred thirteen thousand, seven hundred twenty-seven".