7939102216 has 16 divisors (see below), whose sum is σ = 14936625900. Its totient is φ = 3956001984.

The previous prime is 7939102189. The next prime is 7939102217. The reversal of 7939102216 is 6122019397.

It can be written as a sum of positive squares in 2 ways, for example, as 6204712900 + 1734389316 = 78770^2 + 41646^2 .

It is a super-2 number, since 2×7939102216² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7939102217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1691151 + ... + 1695838.

Almost surely, 2^7939102216 is an apocalyptic number.

It is an amenable number.

7939102216 is a deficient number, since it is larger than the sum of its proper divisors (6997523684).

7939102216 is a wasteful number, since it uses less digits than its factorization.

7939102216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3387288 (or 3387284 counting only the distinct ones).

The product of its (nonzero) digits is 40824, while the sum is 40.

The square root of 7939102216 is about 89101.6398053369. The cubic root of 7939102216 is about 1994.9122530570.

The spelling of 7939102216 in words is "seven billion, nine hundred thirty-nine million, one hundred two thousand, two hundred sixteen".