766473561247 has 2 divisors, whose sum is σ = 766473561248. Its totient is φ = 766473561246.

The previous prime is 766473561187. The next prime is 766473561299. The reversal of 766473561247 is 742165374667.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 766473561247 - 2¹⁵ = 766473528479 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 766473561191 and 766473561200.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (766473061247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 383236780623 + 383236780624.

It is an arithmetic number, because the mean of its divisors is an integer number (383236780624).

Almost surely, 2^766473561247 is an apocalyptic number.

766473561247 is a deficient number, since it is larger than the sum of its proper divisors (1).

766473561247 is an equidigital number, since it uses as much as digits as its factorization.

766473561247 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 35562240, while the sum is 58.

The spelling of 766473561247 in words is "seven hundred sixty-six billion, four hundred seventy-three million, five hundred sixty-one thousand, two hundred forty-seven".