51086577322787 has 2 divisors, whose sum is σ = 51086577322788. Its totient is φ = 51086577322786.

The previous prime is 51086577322727. The next prime is 51086577322799. The reversal of 51086577322787 is 78722377568015.

51086577322787 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51086577322787 - 2²⁶ = 51086510213923 is a prime.

It is not a weakly prime, because it can be changed into another prime (51086577322727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25543288661393 + 25543288661394.

It is an arithmetic number, because the mean of its divisors is an integer number (25543288661394).

Almost surely, 2^{51086577322787} is an apocalyptic number.

51086577322787 is a deficient number, since it is larger than the sum of its proper divisors (1).

51086577322787 is an equidigital number, since it uses as much as digits as its factorization.

51086577322787 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 276595200, while the sum is 68.

The spelling of 51086577322787 in words is "fifty-one trillion, eighty-six billion, five hundred seventy-seven million, three hundred twenty-two thousand, seven hundred eighty-seven".