3447217116 has 120 divisors (see below), whose sum is σ = 10468350816. Its totient is φ = 968734080.

The previous prime is 3447217093. The next prime is 3447217117. The reversal of 3447217116 is 6117127443.

3447217116 is a `hidden beast` number, since 3 + 4 + 472 + 171 + 16 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3447217117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 125890 + ... + 150806.

Almost surely, 2^3447217116 is an apocalyptic number.

3447217116 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3447217116, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5234175408).

3447217116 is an abundant number, since it is smaller than the sum of its proper divisors (7021133700).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3447217116 is a wasteful number, since it uses less digits than its factorization.

3447217116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25001 (or 24990 counting only the distinct ones).

The product of its digits is 28224, while the sum is 36.

The square root of 3447217116 is about 58713.0063614528. The cubic root of 3447217116 is about 1510.6234163973.

The spelling of 3447217116 in words is "three billion, four hundred forty-seven million, two hundred seventeen thousand, one hundred sixteen".