8122827905 has 8 divisors (see below), whose sum is σ = 9749447592. Its totient is φ = 6496892928.

The previous prime is 8122827901. The next prime is 8122827931. The reversal of 8122827905 is 5097282218.

It can be written as a sum of positive squares in 4 ways, for example, as 823517809 + 7299310096 = 28697^2 + 85436^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8122827905 - 2² = 8122827901 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8122827901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 144704 + ... + 192833.

It is an arithmetic number, because the mean of its divisors is an integer number (1218680949).

Almost surely, 2^8122827905 is an apocalyptic number.

It is an amenable number.

8122827905 is a deficient number, since it is larger than the sum of its proper divisors (1626619687).

8122827905 is a wasteful number, since it uses less digits than its factorization.

8122827905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342355.

The product of its (nonzero) digits is 161280, while the sum is 44.

The square root of 8122827905 is about 90126.7324660114. The cubic root of 8122827905 is about 2010.1837166960.

The spelling of 8122827905 in words is "eight billion, one hundred twenty-two million, eight hundred twenty-seven thousand, nine hundred five".