765650971 has 2 divisors, whose sum is σ = 765650972. Its totient is φ = 765650970.

The previous prime is 765650929. The next prime is 765650987. The reversal of 765650971 is 179056567.

It is a happy number.

765650971 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 is an emirp because it is prime and its reverse (179056567) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 765650971 - 2²⁹ = 228780059 is a prime.

It is not a weakly prime, because it can be changed into another prime (765650671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 382825485 + 382825486.

It is an arithmetic number, because the mean of its divisors is an integer number (382825486).

Almost surely, 2^765650971 is an apocalyptic number.

765650971 is a deficient number, since it is larger than the sum of its proper divisors (1).

765650971 is an equidigital number, since it uses as much as digits as its factorization.

765650971 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 396900, while the sum is 46.

The square root of 765650971 is about 27670.3988225685. The cubic root of 765650971 is about 914.8367714245.

The spelling of 765650971 in words is "seven hundred sixty-five million, six hundred fifty thousand, nine hundred seventy-one".