768349487 has 2 divisors, whose sum is σ = 768349488. Its totient is φ = 768349486.

The previous prime is 768349423. The next prime is 768349573. The reversal of 768349487 is 784943867.

It is a weak prime.

It is an emirp because it is prime and its reverse (784943867) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 768349487 - 2⁶ = 768349423 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (768379487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 384174743 + 384174744.

It is an arithmetic number, because the mean of its divisors is an integer number (384174744).

Almost surely, 2^768349487 is an apocalyptic number.

768349487 is a deficient number, since it is larger than the sum of its proper divisors (1).

768349487 is an equidigital number, since it uses as much as digits as its factorization.

768349487 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8128512, while the sum is 56.

The square root of 768349487 is about 27719.1177168394. The cubic root of 768349487 is about 915.9102836529.

The spelling of 768349487 in words is "seven hundred sixty-eight million, three hundred forty-nine thousand, four hundred eighty-seven".