8321696906 has 16 divisors (see below), whose sum is σ = 12572320488. Its totient is φ = 4131000000.

The previous prime is 8321696891. The next prime is 8321696909. The reversal of 8321696906 is 6096961238.

It can be written as a sum of positive squares in 4 ways, for example, as 1335244681 + 6986452225 = 36541^2 + 83585^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (8321696909) 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, 203156 + ... + 240656.

Almost surely, 2^8321696906 is an apocalyptic number.

8321696906 is a deficient number, since it is larger than the sum of its proper divisors (4250623582).

8321696906 is a wasteful number, since it uses less digits than its factorization.

8321696906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38297.

The product of its (nonzero) digits is 839808, while the sum is 50.

The square root of 8321696906 is about 91223.3353150388. The cubic root of 8321696906 is about 2026.4565575925.

The spelling of 8321696906 in words is "eight billion, three hundred twenty-one million, six hundred ninety-six thousand, nine hundred six".