8552638873 has 2 divisors, whose sum is σ = 8552638874. Its totient is φ = 8552638872.

The previous prime is 8552638847. The next prime is 8552638931. The reversal of 8552638873 is 3788362558.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8155354249 + 397284624 = 90307^2 + 19932^2 .

It is a cyclic number.

It is not a de Polignac number, because 8552638873 - 2⁵ = 8552638841 is a prime.

It is not a weakly prime, because it can be changed into another prime (8552638813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4276319436 + 4276319437.

It is an arithmetic number, because the mean of its divisors is an integer number (4276319437).

Almost surely, 2^8552638873 is an apocalyptic number.

It is an amenable number.

8552638873 is a deficient number, since it is larger than the sum of its proper divisors (1).

8552638873 is an equidigital number, since it uses as much as digits as its factorization.

8552638873 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9676800, while the sum is 55.

The square root of 8552638873 is about 92480.4783346194. The cubic root of 8552638873 is about 2045.0317024913.

The spelling of 8552638873 in words is "eight billion, five hundred fifty-two million, six hundred thirty-eight thousand, eight hundred seventy-three".