766373893 has 2 divisors, whose sum is σ = 766373894. Its totient is φ = 766373892.

The previous prime is 766373879. The next prime is 766373897. The reversal of 766373893 is 398373667.

766373893 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 601328484 + 165045409 = 24522^2 + 12847^2 .

It is a cyclic number.

It is not a de Polignac number, because 766373893 - 2⁹ = 766373381 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 766373893.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (766373897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 383186946 + 383186947.

It is an arithmetic number, because the mean of its divisors is an integer number (383186947).

Almost surely, 2^766373893 is an apocalyptic number.

It is an amenable number.

766373893 is a deficient number, since it is larger than the sum of its proper divisors (1).

766373893 is an equidigital number, since it uses as much as digits as its factorization.

766373893 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3429216, while the sum is 52.

The square root of 766373893 is about 27683.4588337512. The cubic root of 766373893 is about 915.1246082299.

The spelling of 766373893 in words is "seven hundred sixty-six million, three hundred seventy-three thousand, eight hundred ninety-three".