768361973 has 2 divisors, whose sum is σ = 768361974. Its totient is φ = 768361972.

The previous prime is 768361967. The next prime is 768361981. The reversal of 768361973 is 379163867.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 534210769 + 234151204 = 23113^2 + 15302^2 .

It is a cyclic number.

It is not a de Polignac number, because 768361973 - 2⁸ = 768361717 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (768364973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 384180986 + 384180987.

It is an arithmetic number, because the mean of its divisors is an integer number (384180987).

Almost surely, 2^768361973 is an apocalyptic number.

It is an amenable number.

768361973 is a deficient number, since it is larger than the sum of its proper divisors (1).

768361973 is an equidigital number, since it uses as much as digits as its factorization.

768361973 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1143072, while the sum is 50.

The square root of 768361973 is about 27719.3429395431. The cubic root of 768361973 is about 915.9152449342.

The spelling of 768361973 in words is "seven hundred sixty-eight million, three hundred sixty-one thousand, nine hundred seventy-three".