8122739276 has 12 divisors (see below), whose sum is σ = 14288446872. Its totient is φ = 4040325888.

The previous prime is 8122739269. The next prime is 8122739347. The reversal of 8122739276 is 6729372218.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 8122739276.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5260070 + ... + 5261613.

It is an arithmetic number, because the mean of its divisors is an integer number (1190703906).

Almost surely, 2^8122739276 is an apocalyptic number.

It is an amenable number.

8122739276 is a deficient number, since it is larger than the sum of its proper divisors (6165707596).

8122739276 is a wasteful number, since it uses less digits than its factorization.

8122739276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10521880 (or 10521878 counting only the distinct ones).

The product of its digits is 508032, while the sum is 47.

The square root of 8122739276 is about 90126.2407737059. The cubic root of 8122739276 is about 2010.1764055632.

The spelling of 8122739276 in words is "eight billion, one hundred twenty-two million, seven hundred thirty-nine thousand, two hundred seventy-six".