8875050781 has 2 divisors, whose sum is σ = 8875050782. Its totient is φ = 8875050780.

The previous prime is 8875050761. The next prime is 8875050823. The reversal of 8875050781 is 1870505788.

8875050781 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8181202500 + 693848281 = 90450^2 + 26341^2 .

It is a cyclic number.

It is not a de Polignac number, because 8875050781 - 2⁹ = 8875050269 is a prime.

It is a super-2 number, since 2×8875050781² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8875050761) 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, 4437525390 + 4437525391.

It is an arithmetic number, because the mean of its divisors is an integer number (4437525391).

Almost surely, 2^8875050781 is an apocalyptic number.

It is an amenable number.

8875050781 is a deficient number, since it is larger than the sum of its proper divisors (1).

8875050781 is an equidigital number, since it uses as much as digits as its factorization.

8875050781 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 627200, while the sum is 49.

The square root of 8875050781 is about 94207.4879242622. The cubic root of 8875050781 is about 2070.4128235277.

The spelling of 8875050781 in words is "eight billion, eight hundred seventy-five million, fifty thousand, seven hundred eighty-one".