5073676778881 has 2 divisors, whose sum is σ = 5073676778882. Its totient is φ = 5073676778880.

The previous prime is 5073676778843. The next prime is 5073676778887. The reversal of 5073676778881 is 1888776763705.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4044281881600 + 1029394897281 = 2011040^2 + 1014591^2 .

It is a cyclic number.

It is not a de Polignac number, because 5073676778881 - 2⁹ = 5073676778369 is a prime.

It is a super-2 number, since 2×5073676778881² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (5073676778887) 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, 2536838389440 + 2536838389441.

It is an arithmetic number, because the mean of its divisors is an integer number (2536838389441).

Almost surely, 2^{5073676778881} is an apocalyptic number.

It is an amenable number.

5073676778881 is a deficient number, since it is larger than the sum of its proper divisors (1).

5073676778881 is an equidigital number, since it uses as much as digits as its factorization.

5073676778881 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 663828480, while the sum is 73.

The spelling of 5073676778881 in words is "five trillion, seventy-three billion, six hundred seventy-six million, seven hundred seventy-eight thousand, eight hundred eighty-one".