7666712328 has 64 divisors (see below), whose sum is σ = 20919539520. Its totient is φ = 2322099200.

The previous prime is 7666712327. The next prime is 7666712329. The reversal of 7666712328 is 8232176667.

It is an interprime number because it is at equal distance from previous prime (7666712327) and next prime (7666712329).

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (7666712321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 638476 + ... + 650372.

It is an arithmetic number, because the mean of its divisors is an integer number (326867805).

Almost surely, 2^7666712328 is an apocalyptic number.

It is an amenable number.

7666712328 is an abundant number, since it is smaller than the sum of its proper divisors (13252827192).

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

7666712328 is a wasteful number, since it uses less digits than its factorization.

7666712328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14358 (or 14354 counting only the distinct ones).

The product of its digits is 1016064, while the sum is 48.

The square root of 7666712328 is about 87559.7643212909. The cubic root of 7666712328 is about 1971.8311478458.

The spelling of 7666712328 in words is "seven billion, six hundred sixty-six million, seven hundred twelve thousand, three hundred twenty-eight".