8369228881 has 16 divisors (see below), whose sum is σ = 9077854464. Its totient is φ = 7669980864.

The previous prime is 8369228867. The next prime is 8369228893. The reversal of 8369228881 is 1888229638.

It is a happy number.

It is not a de Polignac number, because 8369228881 - 2⁵ = 8369228849 is a prime.

It is a super-2 number, since 2×8369228881² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8369228381) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2371140 + ... + 2374666.

It is an arithmetic number, because the mean of its divisors is an integer number (567365904).

Almost surely, 2^8369228881 is an apocalyptic number.

It is an amenable number.

8369228881 is a deficient number, since it is larger than the sum of its proper divisors (708625583).

8369228881 is a wasteful number, since it uses less digits than its factorization.

8369228881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4800.

The product of its digits is 2654208, while the sum is 55.

The square root of 8369228881 is about 91483.4896634360. The cubic root of 8369228881 is about 2030.3074817954.

The spelling of 8369228881 in words is "eight billion, three hundred sixty-nine million, two hundred twenty-eight thousand, eight hundred eighty-one".