8771422209 has 32 divisors (see below), whose sum is σ = 13622805504. Its totient is φ = 4966610880.

The previous prime is 8771422171. The next prime is 8771422243. The reversal of 8771422209 is 9022241778.

It is not a de Polignac number, because 8771422209 - 2¹⁵ = 8771389441 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8771422109) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 101742 + ... + 167015.

It is an arithmetic number, because the mean of its divisors is an integer number (425712672).

Almost surely, 2^8771422209 is an apocalyptic number.

It is an amenable number.

8771422209 is a deficient number, since it is larger than the sum of its proper divisors (4851383295).

8771422209 is a wasteful number, since it uses less digits than its factorization.

8771422209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268837.

The product of its (nonzero) digits is 112896, while the sum is 42.

The square root of 8771422209 is about 93655.8711934281. The cubic root of 8771422209 is about 2062.3229372039.

The spelling of 8771422209 in words is "eight billion, seven hundred seventy-one million, four hundred twenty-two thousand, two hundred nine".