8792647861 has 2 divisors, whose sum is σ = 8792647862. Its totient is φ = 8792647860.

The previous prime is 8792647777. The next prime is 8792647889. The reversal of 8792647861 is 1687462978.

8792647861 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8792625361 + 22500 = 93769^2 + 150^2 .

It is a cyclic number.

It is not a de Polignac number, because 8792647861 - 2⁷ = 8792647733 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8792647796 and 8792647805.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8792647561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4396323930 + 4396323931.

It is an arithmetic number, because the mean of its divisors is an integer number (4396323931).

Almost surely, 2^8792647861 is an apocalyptic number.

It is an amenable number.

8792647861 is a deficient number, since it is larger than the sum of its proper divisors (1).

8792647861 is an equidigital number, since it uses as much as digits as its factorization.

8792647861 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8128512, while the sum is 58.

The square root of 8792647861 is about 93769.1199756082. The cubic root of 8792647861 is about 2063.9851111045.

The spelling of 8792647861 in words is "eight billion, seven hundred ninety-two million, six hundred forty-seven thousand, eight hundred sixty-one".