766473321547 has 2 divisors, whose sum is σ = 766473321548. Its totient is φ = 766473321546.

The previous prime is 766473321479. The next prime is 766473321563. The reversal of 766473321547 is 745123374667.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 766473321547 - 2¹¹ = 766473319499 is a prime.

It is not a weakly prime, because it can be changed into another prime (766473321247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 383236660773 + 383236660774.

It is an arithmetic number, because the mean of its divisors is an integer number (383236660774).

Almost surely, 2^766473321547 is an apocalyptic number.

766473321547 is a deficient number, since it is larger than the sum of its proper divisors (1).

766473321547 is an equidigital number, since it uses as much as digits as its factorization.

766473321547 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17781120, while the sum is 55.

The spelling of 766473321547 in words is "seven hundred sixty-six billion, four hundred seventy-three million, three hundred twenty-one thousand, five hundred forty-seven".