7085775863 has 2 divisors, whose sum is σ = 7085775864. Its totient is φ = 7085775862.

The previous prime is 7085775859. The next prime is 7085775869. The reversal of 7085775863 is 3685775807.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7085775863 - 2² = 7085775859 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7085775799 and 7085775808.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7085775869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3542887931 + 3542887932.

It is an arithmetic number, because the mean of its divisors is an integer number (3542887932).

Almost surely, 2^7085775863 is an apocalyptic number.

7085775863 is a deficient number, since it is larger than the sum of its proper divisors (1).

7085775863 is an equidigital number, since it uses as much as digits as its factorization.

7085775863 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9878400, while the sum is 56.

The square root of 7085775863 is about 84177.0506907910. The cubic root of 7085775863 is about 1920.7129751371.

Subtracting from 7085775863 its sum of digits (56), we obtain a palindrome (7085775807).

The spelling of 7085775863 in words is "seven billion, eighty-five million, seven hundred seventy-five thousand, eight hundred sixty-three".