768677387 has 2 divisors, whose sum is σ = 768677388. Its totient is φ = 768677386.

The previous prime is 768677363. The next prime is 768677401. The reversal of 768677387 is 783776867.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 768677387 - 2⁶ = 768677323 is a prime.

It is not a weakly prime, because it can be changed into another prime (768673387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 384338693 + 384338694.

It is an arithmetic number, because the mean of its divisors is an integer number (384338694).

Almost surely, 2^768677387 is an apocalyptic number.

768677387 is a deficient number, since it is larger than the sum of its proper divisors (1).

768677387 is an equidigital number, since it uses as much as digits as its factorization.

768677387 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16595712, while the sum is 59.

The square root of 768677387 is about 27725.0317763569. The cubic root of 768677387 is about 916.0405560853.

The spelling of 768677387 in words is "seven hundred sixty-eight million, six hundred seventy-seven thousand, three hundred eighty-seven".