7716216488 has 8 divisors (see below), whose sum is σ = 14467905930. Its totient is φ = 3858108240.

The previous prime is 7716216481. The next prime is 7716216491. The reversal of 7716216488 is 8846126177.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 7715514244 + 702244 = 87838^2 + 838^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (7716216481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 482263523 + ... + 482263538.

Almost surely, 2^7716216488 is an apocalyptic number.

It is an amenable number.

7716216488 is a deficient number, since it is larger than the sum of its proper divisors (6751689442).

7716216488 is a wasteful number, since it uses less digits than its factorization.

7716216488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 964527067 (or 964527063 counting only the distinct ones).

The product of its digits is 903168, while the sum is 50.

The square root of 7716216488 is about 87841.9972905899. The cubic root of 7716216488 is about 1976.0661007408.

The spelling of 7716216488 in words is "seven billion, seven hundred sixteen million, two hundred sixteen thousand, four hundred eighty-eight".