7973884906 has 16 divisors (see below), whose sum is σ = 12936183624. Its totient is φ = 3664456704.

The previous prime is 7973884879. The next prime is 7973884939. The reversal of 7973884906 is 6094883797.

It can be written as a sum of positive squares in 4 ways, for example, as 5914994281 + 2058890625 = 76909^2 + 45375^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 652071 + ... + 664186.

Almost surely, 2^7973884906 is an apocalyptic number.

7973884906 is a deficient number, since it is larger than the sum of its proper divisors (4962298718).

7973884906 is a wasteful number, since it uses less digits than its factorization.

7973884906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1316505.

The product of its (nonzero) digits is 18289152, while the sum is 61.

The square root of 7973884906 is about 89296.6119514061. The cubic root of 7973884906 is about 1997.8213698136.

The spelling of 7973884906 in words is "seven billion, nine hundred seventy-three million, eight hundred eighty-four thousand, nine hundred six".