8227729973 has 16 divisors (see below), whose sum is σ = 8390630976. Its totient is φ = 8066822400.

The previous prime is 8227729943. The next prime is 8227729987. The reversal of 8227729973 is 3799277228.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8227729973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8227729943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5547290 + ... + 5548772.

It is an arithmetic number, because the mean of its divisors is an integer number (524414436).

Almost surely, 2^8227729973 is an apocalyptic number.

It is an amenable number.

8227729973 is a deficient number, since it is larger than the sum of its proper divisors (162901003).

8227729973 is a wasteful number, since it uses less digits than its factorization.

8227729973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2084.

The product of its digits is 5334336, while the sum is 56.

The square root of 8227729973 is about 90706.8353157578. The cubic root of 8227729973 is about 2018.8002198742.

The spelling of 8227729973 in words is "eight billion, two hundred twenty-seven million, seven hundred twenty-nine thousand, nine hundred seventy-three".