7668958607 has 2 divisors, whose sum is σ = 7668958608. Its totient is φ = 7668958606.

The previous prime is 7668958603. The next prime is 7668958631. The reversal of 7668958607 is 7068598667.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7668958607 - 2² = 7668958603 is a prime.

It is a super-2 number, since 2×7668958607² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 7668958607.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7668958601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3834479303 + 3834479304.

It is an arithmetic number, because the mean of its divisors is an integer number (3834479304).

Almost surely, 2^7668958607 is an apocalyptic number.

7668958607 is a deficient number, since it is larger than the sum of its proper divisors (1).

7668958607 is an equidigital number, since it uses as much as digits as its factorization.

7668958607 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30481920, while the sum is 62.

The square root of 7668958607 is about 87572.5905006812. The cubic root of 7668958607 is about 1972.0237054116.

The spelling of 7668958607 in words is "seven billion, six hundred sixty-eight million, nine hundred fifty-eight thousand, six hundred seven".