766463480837 has 2 divisors, whose sum is σ = 766463480838. Its totient is φ = 766463480836.

The previous prime is 766463480833. The next prime is 766463480879. The reversal of 766463480837 is 738084364667.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 418700879041 + 347762601796 = 647071^2 + 589714^2 .

It is a cyclic number.

It is not a de Polignac number, because 766463480837 - 2² = 766463480833 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 766463480837.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (766463480833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 383231740418 + 383231740419.

It is an arithmetic number, because the mean of its divisors is an integer number (383231740419).

Almost surely, 2^766463480837 is an apocalyptic number.

It is an amenable number.

766463480837 is a deficient number, since it is larger than the sum of its proper divisors (1).

766463480837 is an equidigital number, since it uses as much as digits as its factorization.

766463480837 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 97542144, while the sum is 62.

The spelling of 766463480837 in words is "seven hundred sixty-six billion, four hundred sixty-three million, four hundred eighty thousand, eight hundred thirty-seven".