7666946823 has 32 divisors (see below), whose sum is σ = 11321130240. Its totient is φ = 4596445440.

The previous prime is 7666946813. The next prime is 7666946839. The reversal of 7666946823 is 3286496667.

It is a happy number.

7666946823 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 7666946823 - 2⁶ = 7666946759 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7666946813) 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 31 ways as a sum of consecutive naturals, for example, 42136 + ... + 130802.

It is an arithmetic number, because the mean of its divisors is an integer number (353785320).

Almost surely, 2^7666946823 is an apocalyptic number.

7666946823 is a deficient number, since it is larger than the sum of its proper divisors (3654183417).

7666946823 is a wasteful number, since it uses less digits than its factorization.

7666946823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88767.

The product of its digits is 15676416, while the sum is 57.

The square root of 7666946823 is about 87561.1033678768. The cubic root of 7666946823 is about 1971.8512511970.

The spelling of 7666946823 in words is "seven billion, six hundred sixty-six million, nine hundred forty-six thousand, eight hundred twenty-three".