8279228943 has 14 divisors (see below), whose sum is σ = 12413166024. Its totient is φ = 5519485476.

The previous prime is 8279228941. The next prime is 8279228959. The reversal of 8279228943 is 3498229728.

It is a happy number.

It is not a de Polignac number, because 8279228943 - 2¹ = 8279228941 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8279228943.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8279228941) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 5677755 + ... + 5679212.

It is an arithmetic number, because the mean of its divisors is an integer number (886654716).

Almost surely, 2^8279228943 is an apocalyptic number.

8279228943 is a deficient number, since it is larger than the sum of its proper divisors (4133937081).

8279228943 is an equidigital number, since it uses as much as digits as its factorization.

8279228943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11356985 (or 11356970 counting only the distinct ones).

The product of its digits is 3483648, while the sum is 54.

The square root of 8279228943 is about 90990.2683972303. The cubic root of 8279228943 is about 2023.0034840662.

The spelling of 8279228943 in words is "eight billion, two hundred seventy-nine million, two hundred twenty-eight thousand, nine hundred forty-three".