51793314887 has 2 divisors, whose sum is σ = 51793314888. Its totient is φ = 51793314886.

The previous prime is 51793314857. The next prime is 51793314919. The reversal of 51793314887 is 78841339715.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51793314887 - 2⁶ = 51793314823 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51793314857) 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, 25896657443 + 25896657444.

It is an arithmetic number, because the mean of its divisors is an integer number (25896657444).

Almost surely, 2^51793314887 is an apocalyptic number.

51793314887 is a deficient number, since it is larger than the sum of its proper divisors (1).

51793314887 is an equidigital number, since it uses as much as digits as its factorization.

51793314887 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5080320, while the sum is 56.

The spelling of 51793314887 in words is "fifty-one billion, seven hundred ninety-three million, three hundred fourteen thousand, eight hundred eighty-seven".