7716280816 has 20 divisors (see below), whose sum is σ = 15028573824. Its totient is φ = 3837939200.

The previous prime is 7716280801. The next prime is 7716280829. The reversal of 7716280816 is 6180826177.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1259425 + ... + 1265536.

Almost surely, 2^7716280816 is an apocalyptic number.

It is an amenable number.

7716280816 is a deficient number, since it is larger than the sum of its proper divisors (7312293008).

7716280816 is a wasteful number, since it uses less digits than its factorization.

7716280816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2525160 (or 2525154 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 46.

The square root of 7716280816 is about 87842.3634472570. The cubic root of 7716280816 is about 1976.0715920342.

The spelling of 7716280816 in words is "seven billion, seven hundred sixteen million, two hundred eighty thousand, eight hundred sixteen".