7668043087 has 2 divisors, whose sum is σ = 7668043088. Its totient is φ = 7668043086.

The previous prime is 7668043079. The next prime is 7668043109. The reversal of 7668043087 is 7803408667.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7668043087 - 2³ = 7668043079 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7668043087.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7668043387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3834021543 + 3834021544.

It is an arithmetic number, because the mean of its divisors is an integer number (3834021544).

Almost surely, 2^7668043087 is an apocalyptic number.

7668043087 is a deficient number, since it is larger than the sum of its proper divisors (1).

7668043087 is an equidigital number, since it uses as much as digits as its factorization.

7668043087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1354752, while the sum is 49.

The square root of 7668043087 is about 87567.3631383291. The cubic root of 7668043087 is about 1971.9452289159.

The spelling of 7668043087 in words is "seven billion, six hundred sixty-eight million, forty-three thousand, eighty-seven".