8722892796181 has 2 divisors, whose sum is σ = 8722892796182. Its totient is φ = 8722892796180.

The previous prime is 8722892796161. The next prime is 8722892796193. The reversal of 8722892796181 is 1816972982278.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6348107007025 + 2374785789156 = 2519545^2 + 1541034^2 .

It is a cyclic number.

It is not a de Polignac number, because 8722892796181 - 2²⁷ = 8722758578453 is a prime.

It is a super-2 number, since 2×8722892796181² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 8722892796181.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8722892796161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4361446398090 + 4361446398091.

It is an arithmetic number, because the mean of its divisors is an integer number (4361446398091).

Almost surely, 2^{8722892796181} is an apocalyptic number.

It is an amenable number.

8722892796181 is a deficient number, since it is larger than the sum of its proper divisors (1).

8722892796181 is an equidigital number, since it uses as much as digits as its factorization.

8722892796181 is an evil number, because the sum of its binary digits is even.

The product of its digits is 97542144, while the sum is 70.

The spelling of 8722892796181 in words is "eight trillion, seven hundred twenty-two billion, eight hundred ninety-two million, seven hundred ninety-six thousand, one hundred eighty-one".