7668654623 has 16 divisors (see below), whose sum is σ = 8918469120. Its totient is φ = 6457557600.

The previous prime is 7668654569. The next prime is 7668654649. The reversal of 7668654623 is 3264568667.

7668654623 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 7668654623 - 2²⁶ = 7601545759 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7668654023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 751133 + ... + 761273.

It is an arithmetic number, because the mean of its divisors is an integer number (557404320).

Almost surely, 2^7668654623 is an apocalyptic number.

7668654623 is a deficient number, since it is larger than the sum of its proper divisors (1249814497).

7668654623 is a wasteful number, since it uses less digits than its factorization.

7668654623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12038.

The product of its digits is 8709120, while the sum is 53.

The square root of 7668654623 is about 87570.8548719264. The cubic root of 7668654623 is about 1971.9976492195.

The spelling of 7668654623 in words is "seven billion, six hundred sixty-eight million, six hundred fifty-four thousand, six hundred twenty-three".