7784308968 has 64 divisors (see below), whose sum is σ = 21375705600. Its totient is φ = 2351321280.

The previous prime is 7784308967. The next prime is 7784308981. The reversal of 7784308968 is 8698034877.

It is a super-2 number, since 2×7784308968² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7784308967) by changing a digit.

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, 360618 + ... + 381593.

It is an arithmetic number, because the mean of its divisors is an integer number (333995400).

Almost surely, 2^7784308968 is an apocalyptic number.

It is an amenable number.

7784308968 is an abundant number, since it is smaller than the sum of its proper divisors (13591396632).

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

7784308968 is a wasteful number, since it uses less digits than its factorization.

7784308968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 742262 (or 742258 counting only the distinct ones).

The product of its (nonzero) digits is 16257024, while the sum is 60.

The square root of 7784308968 is about 88228.7309667321. The cubic root of 7784308968 is about 1981.8617464980.

The spelling of 7784308968 in words is "seven billion, seven hundred eighty-four million, three hundred eight thousand, nine hundred sixty-eight".