810996854771 has 2 divisors, whose sum is σ = 810996854772. Its totient is φ = 810996854770.

The previous prime is 810996854761. The next prime is 810996854803. The reversal of 810996854771 is 177458699018.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 810996854771 - 2³⁸ = 536118947827 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 810996854698 and 810996854707.

It is not a weakly prime, because it can be changed into another prime (810996854741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 405498427385 + 405498427386.

It is an arithmetic number, because the mean of its divisors is an integer number (405498427386).

Almost surely, 2^810996854771 is an apocalyptic number.

810996854771 is a deficient number, since it is larger than the sum of its proper divisors (1).

810996854771 is an equidigital number, since it uses as much as digits as its factorization.

810996854771 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30481920, while the sum is 65.

The spelling of 810996854771 in words is "eight hundred ten billion, nine hundred ninety-six million, eight hundred fifty-four thousand, seven hundred seventy-one".