766626023 has 2 divisors, whose sum is σ = 766626024. Its totient is φ = 766626022.

The previous prime is 766625969. The next prime is 766626053. The reversal of 766626023 is 320626667.

It is a strong prime.

It is an emirp because it is prime and its reverse (320626667) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 766626023 - 2¹² = 766621927 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (766626053) 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, 383313011 + 383313012.

It is an arithmetic number, because the mean of its divisors is an integer number (383313012).

Almost surely, 2^766626023 is an apocalyptic number.

766626023 is a deficient number, since it is larger than the sum of its proper divisors (1).

766626023 is an equidigital number, since it uses as much as digits as its factorization.

766626023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108864, while the sum is 38.

The square root of 766626023 is about 27688.0122616269. The cubic root of 766626023 is about 915.2249531014.

The spelling of 766626023 in words is "seven hundred sixty-six million, six hundred twenty-six thousand, twenty-three".