768722611 has 2 divisors, whose sum is σ = 768722612. Its totient is φ = 768722610.

The previous prime is 768722599. The next prime is 768722627. The reversal of 768722611 is 116227867.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 768722611 - 2⁵ = 768722579 is a prime.

It is not a weakly prime, because it can be changed into another prime (768722651) 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, 384361305 + 384361306.

It is an arithmetic number, because the mean of its divisors is an integer number (384361306).

Almost surely, 2^768722611 is an apocalyptic number.

768722611 is a deficient number, since it is larger than the sum of its proper divisors (1).

768722611 is an equidigital number, since it uses as much as digits as its factorization.

768722611 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 56448, while the sum is 40.

The square root of 768722611 is about 27725.8473450317. The cubic root of 768722611 is about 916.0585203645.

The spelling of 768722611 in words is "seven hundred sixty-eight million, seven hundred twenty-two thousand, six hundred eleven".