8755880921 has 2 divisors, whose sum is σ = 8755880922. Its totient is φ = 8755880920.

The previous prime is 8755880893. The next prime is 8755880927. The reversal of 8755880921 is 1290885578.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7827825625 + 928055296 = 88475^2 + 30464^2 .

It is a cyclic number.

It is not a de Polignac number, because 8755880921 - 2¹⁸ = 8755618777 is a prime.

It is not a weakly prime, because it can be changed into another prime (8755880927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4377940460 + 4377940461.

It is an arithmetic number, because the mean of its divisors is an integer number (4377940461).

Almost surely, 2^8755880921 is an apocalyptic number.

It is an amenable number.

8755880921 is a deficient number, since it is larger than the sum of its proper divisors (1).

8755880921 is an equidigital number, since it uses as much as digits as its factorization.

8755880921 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1612800, while the sum is 53.

The square root of 8755880921 is about 93572.8642342426. The cubic root of 8755880921 is about 2061.1042027684.

The spelling of 8755880921 in words is "eight billion, seven hundred fifty-five million, eight hundred eighty thousand, nine hundred twenty-one".