7688454216 has 64 divisors (see below), whose sum is σ = 19625518080. Its totient is φ = 2509362240.

The previous prime is 7688454211. The next prime is 7688454227. The reversal of 7688454216 is 6124548867.

It is a super-2 number, since 2×7688454216² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7688454211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 254221 + ... + 282851.

It is an arithmetic number, because the mean of its divisors is an integer number (306648720).

Almost surely, 2^7688454216 is an apocalyptic number.

It is an amenable number.

7688454216 is an abundant number, since it is smaller than the sum of its proper divisors (11937063864).

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

7688454216 is a wasteful number, since it uses less digits than its factorization.

7688454216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28874 (or 28870 counting only the distinct ones).

The product of its digits is 2580480, while the sum is 51.

The square root of 7688454216 is about 87683.8309838251. The cubic root of 7688454216 is about 1973.6933484807.

The spelling of 7688454216 in words is "seven billion, six hundred eighty-eight million, four hundred fifty-four thousand, two hundred sixteen".