766045233377 has 2 divisors, whose sum is σ = 766045233378. Its totient is φ = 766045233376.

The previous prime is 766045233313. The next prime is 766045233379. The reversal of 766045233377 is 773332540667.

It is a happy number.

766045233377 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 can be written as a sum of positive squares in only one way, i.e., 755411292736 + 10633940641 = 869144^2 + 103121^2 .

It is a cyclic number.

It is not a de Polignac number, because 766045233377 - 2⁶ = 766045233313 is a prime.

Together with 766045233379, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (766045233379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 383022616688 + 383022616689.

It is an arithmetic number, because the mean of its divisors is an integer number (383022616689).

Almost surely, 2^766045233377 is an apocalyptic number.

It is an amenable number.

766045233377 is a deficient number, since it is larger than the sum of its proper divisors (1).

766045233377 is an equidigital number, since it uses as much as digits as its factorization.

766045233377 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13335840, while the sum is 53.

The spelling of 766045233377 in words is "seven hundred sixty-six billion, forty-five million, two hundred thirty-three thousand, three hundred seventy-seven".