7766992216 has 64 divisors (see below), whose sum is σ = 15926400000. Its totient is φ = 3537406080.

The previous prime is 7766992133. The next prime is 7766992279. The reversal of 7766992216 is 6122996677.

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 15 ways as a sum of consecutive naturals, for example, 734535 + ... + 745033.

It is an arithmetic number, because the mean of its divisors is an integer number (248850000).

Almost surely, 2^7766992216 is an apocalyptic number.

7766992216 is a gapful number since it is divisible by the number (76) formed by its first and last digit.

It is an amenable number.

7766992216 is an abundant number, since it is smaller than the sum of its proper divisors (8159407784).

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

7766992216 is a wasteful number, since it uses less digits than its factorization.

7766992216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10712 (or 10708 counting only the distinct ones).

The product of its digits is 3429216, while the sum is 55.

The square root of 7766992216 is about 88130.5407676590. The cubic root of 7766992216 is about 1980.3910576777.

The spelling of 7766992216 in words is "seven billion, seven hundred sixty-six million, nine hundred ninety-two thousand, two hundred sixteen".