768911653 has 2 divisors, whose sum is σ = 768911654. Its totient is φ = 768911652.

The previous prime is 768911639. The next prime is 768911723. The reversal of 768911653 is 356119867.

It is a happy number.

768911653 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 710648964 + 58262689 = 26658^2 + 7633^2 .

It is a cyclic number.

It is not a de Polignac number, because 768911653 - 2⁵ = 768911621 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (768911053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 384455826 + 384455827.

It is an arithmetic number, because the mean of its divisors is an integer number (384455827).

Almost surely, 2^768911653 is an apocalyptic number.

It is an amenable number.

768911653 is a deficient number, since it is larger than the sum of its proper divisors (1).

768911653 is an equidigital number, since it uses as much as digits as its factorization.

768911653 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 272160, while the sum is 46.

The square root of 768911653 is about 27729.2562648189. The cubic root of 768911653 is about 916.1336056809.

The spelling of 768911653 in words is "seven hundred sixty-eight million, nine hundred eleven thousand, six hundred fifty-three".