8227946881 has 24 divisors (see below), whose sum is σ = 10398003840. Its totient is φ = 6372886080.

The previous prime is 8227946861. The next prime is 8227946887. The reversal of 8227946881 is 1886497228.

It is a happy number.

It is not a de Polignac number, because 8227946881 - 2⁹ = 8227946369 is a prime.

It is a super-2 number, since 2×8227946881² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8227946887) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 112365 + ... + 170533.

It is an arithmetic number, because the mean of its divisors is an integer number (433250160).

Almost surely, 2^8227946881 is an apocalyptic number.

It is an amenable number.

8227946881 is a deficient number, since it is larger than the sum of its proper divisors (2170056959).

8227946881 is a wasteful number, since it uses less digits than its factorization.

8227946881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58365 (or 58354 counting only the distinct ones).

The product of its digits is 3096576, while the sum is 55.

The square root of 8227946881 is about 90708.0309619826. The cubic root of 8227946881 is about 2018.8179602908.

The spelling of 8227946881 in words is "eight billion, two hundred twenty-seven million, nine hundred forty-six thousand, eight hundred eighty-one".