765308282761 has 27 divisors (see below), whose sum is σ = 854669364717. Its totient is φ = 684773320440.

The previous prime is 765308282737. The next prime is 765308282771. The reversal of 765308282761 is 167282803567.

The square root of 765308282761 is 874819.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 765308282761 - 2³¹ = 763160799113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (765308282771) 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 in 26 ways as a sum of consecutive naturals, for example, 644741010 + ... + 644742196.

Almost surely, 2^765308282761 is an apocalyptic number.

765308282761 is the 874819-th square number.

765308282761 is the 437410-th centered octagonal number.

It is an amenable number.

765308282761 is a deficient number, since it is larger than the sum of its proper divisors (89361081956).

765308282761 is an frugal number, since it uses more digits than its factorization.

765308282761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2530 (or 1265 counting only the distinct ones).

The product of its (nonzero) digits is 6773760, while the sum is 55.

The spelling of 765308282761 in words is "seven hundred sixty-five billion, three hundred eight million, two hundred eighty-two thousand, seven hundred sixty-one".