7216247808 has 264 divisors, whose sum is σ = 25980851520. Its totient is φ = 1874165760.

The previous prime is 7216247761. The next prime is 7216247813. The reversal of 7216247808 is 8087426127.

It is a tau number, because it is divible by the number of its divisors (264).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 704548 + ... + 714716.

Almost surely, 2^7216247808 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7216247808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12990425760).

7216247808 is an abundant number, since it is smaller than the sum of its proper divisors (18764603712).

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

7216247808 is a wasteful number, since it uses less digits than its factorization.

7216247808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10213 (or 10192 counting only the distinct ones).

The product of its (nonzero) digits is 301056, while the sum is 45.

The square root of 7216247808 is about 84948.5009167319. The cubic root of 7216247808 is about 1932.4301859597.

The spelling of 7216247808 in words is "seven billion, two hundred sixteen million, two hundred forty-seven thousand, eight hundred eight".