768631363 has 2 divisors, whose sum is σ = 768631364. Its totient is φ = 768631362.

The previous prime is 768631261. The next prime is 768631379. The reversal of 768631363 is 363136867.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-768631363 is a prime.

It is not a weakly prime, because it can be changed into another prime (768631163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 384315681 + 384315682.

It is an arithmetic number, because the mean of its divisors is an integer number (384315682).

Almost surely, 2^768631363 is an apocalyptic number.

768631363 is a deficient number, since it is larger than the sum of its proper divisors (1).

768631363 is an equidigital number, since it uses as much as digits as its factorization.

768631363 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 326592, while the sum is 43.

The square root of 768631363 is about 27724.2017558667. The cubic root of 768631363 is about 916.0222732995.

The spelling of 768631363 in words is "seven hundred sixty-eight million, six hundred thirty-one thousand, three hundred sixty-three".