766336979 has 2 divisors, whose sum is σ = 766336980. Its totient is φ = 766336978.

The previous prime is 766336973. The next prime is 766337057. The reversal of 766336979 is 979633667.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (979633667) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 766336979 - 2⁸ = 766336723 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (766336973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 383168489 + 383168490.

It is an arithmetic number, because the mean of its divisors is an integer number (383168490).

Almost surely, 2^766336979 is an apocalyptic number.

766336979 is a deficient number, since it is larger than the sum of its proper divisors (1).

766336979 is an equidigital number, since it uses as much as digits as its factorization.

766336979 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7715736, while the sum is 56.

The square root of 766336979 is about 27682.7921099011. The cubic root of 766336979 is about 915.1099150310.

The spelling of 766336979 in words is "seven hundred sixty-six million, three hundred thirty-six thousand, nine hundred seventy-nine".