766590067 has 2 divisors, whose sum is σ = 766590068. Its totient is φ = 766590066.

The previous prime is 766590049. The next prime is 766590107. The reversal of 766590067 is 760095667.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 766590067 - 2¹⁹ = 766065779 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 766589999 and 766590026.

It is not a weakly prime, because it can be changed into another prime (766590007) 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, 383295033 + 383295034.

It is an arithmetic number, because the mean of its divisors is an integer number (383295034).

Almost surely, 2^766590067 is an apocalyptic number.

766590067 is a deficient number, since it is larger than the sum of its proper divisors (1).

766590067 is an equidigital number, since it uses as much as digits as its factorization.

766590067 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 476280, while the sum is 46.

The square root of 766590067 is about 27687.3629477421. The cubic root of 766590067 is about 915.2106443677.

The spelling of 766590067 in words is "seven hundred sixty-six million, five hundred ninety thousand, sixty-seven".