766473866723 has 2 divisors, whose sum is σ = 766473866724. Its totient is φ = 766473866722.

The previous prime is 766473866701. The next prime is 766473866747. The reversal of 766473866723 is 327668374667.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 766473866723 - 2²⁸ = 766205431267 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 766473866723.

It is not a weakly prime, because it can be changed into another prime (766473896723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 383236933361 + 383236933362.

It is an arithmetic number, because the mean of its divisors is an integer number (383236933362).

Almost surely, 2^766473866723 is an apocalyptic number.

766473866723 is a deficient number, since it is larger than the sum of its proper divisors (1).

766473866723 is an equidigital number, since it uses as much as digits as its factorization.

766473866723 is an evil number, because the sum of its binary digits is even.

The product of its digits is 256048128, while the sum is 65.

The spelling of 766473866723 in words is "seven hundred sixty-six billion, four hundred seventy-three million, eight hundred sixty-six thousand, seven hundred twenty-three".