7668551343 has 4 divisors (see below), whose sum is σ = 10224735128. Its totient is φ = 5112367560.

The previous prime is 7668551339. The next prime is 7668551357. The reversal of 7668551343 is 3431558667.

7668551343 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 7668551343 - 2² = 7668551339 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7668551292 and 7668551301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7668551333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1278091888 + ... + 1278091893.

It is an arithmetic number, because the mean of its divisors is an integer number (2556183782).

Almost surely, 2^7668551343 is an apocalyptic number.

7668551343 is a deficient number, since it is larger than the sum of its proper divisors (2556183785).

7668551343 is a wasteful number, since it uses less digits than its factorization.

7668551343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2556183784.

The product of its digits is 1814400, while the sum is 48.

The square root of 7668551343 is about 87570.2651760288. The cubic root of 7668551343 is about 1971.9887963485.

The spelling of 7668551343 in words is "seven billion, six hundred sixty-eight million, five hundred fifty-one thousand, three hundred forty-three".