8772917 has 2 divisors, whose sum is σ = 8772918. Its totient is φ = 8772916.

The previous prime is 8772859. The next prime is 8772923. The reversal of 8772917 is 7192778.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8708401 + 64516 = 2951^2 + 254^2 .

It is a cyclic number.

It is not a de Polignac number, because 8772917 - 2⁶ = 8772853 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8772937) 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, 4386458 + 4386459.

It is an arithmetic number, because the mean of its divisors is an integer number (4386459).

Almost surely, 2^8772917 is an apocalyptic number.

It is an amenable number.

8772917 is a deficient number, since it is larger than the sum of its proper divisors (1).

8772917 is an equidigital number, since it uses as much as digits as its factorization.

8772917 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 49392, while the sum is 41.

The square root of 8772917 is about 2961.9110385020. The cubic root of 8772917 is about 206.2440081516.

The spelling of 8772917 in words is "eight million, seven hundred seventy-two thousand, nine hundred seventeen".