8766802221 has 4 divisors (see below), whose sum is σ = 11689069632. Its totient is φ = 5844534812.

The previous prime is 8766802211. The next prime is 8766802241. The reversal of 8766802221 is 1222086678.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8766802221 - 2⁶ = 8766802157 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8766802211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1461133701 + ... + 1461133706.

It is an arithmetic number, because the mean of its divisors is an integer number (2922267408).

Almost surely, 2^8766802221 is an apocalyptic number.

It is an amenable number.

8766802221 is a deficient number, since it is larger than the sum of its proper divisors (2922267411).

8766802221 is a wasteful number, since it uses less digits than its factorization.

8766802221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2922267410.

The product of its (nonzero) digits is 129024, while the sum is 42.

The square root of 8766802221 is about 93631.2032444313. The cubic root of 8766802221 is about 2061.9607921873.

Adding to 8766802221 its reverse (1222086678), we get a palindrome (9988888899).

The spelling of 8766802221 in words is "eight billion, seven hundred sixty-six million, eight hundred two thousand, two hundred twenty-one".