766045979 has 2 divisors, whose sum is σ = 766045980. Its totient is φ = 766045978.

The previous prime is 766045961. The next prime is 766046011. The reversal of 766045979 is 979540667.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 766045979 - 2²⁰ = 764997403 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 766045979.

It is not a weakly prime, because it can be changed into another prime (766045919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 383022989 + 383022990.

It is an arithmetic number, because the mean of its divisors is an integer number (383022990).

Almost surely, 2^766045979 is an apocalyptic number.

766045979 is a deficient number, since it is larger than the sum of its proper divisors (1).

766045979 is an equidigital number, since it uses as much as digits as its factorization.

766045979 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2857680, while the sum is 53.

The square root of 766045979 is about 27677.5356381308. The cubic root of 766045979 is about 914.9940692579.

The spelling of 766045979 in words is "seven hundred sixty-six million, forty-five thousand, nine hundred seventy-nine".