5766991263 has 40 divisors (see below), whose sum is σ = 9431680896. Its totient is φ = 3482643600.

The previous prime is 5766991261. The next prime is 5766991289. The reversal of 5766991263 is 3621996675.

5766991263 is a `hidden beast` number, since 576 + 6 + 9 + 9 + 1 + 2 + 63 = 666.

It is not a de Polignac number, because 5766991263 - 2¹ = 5766991261 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5766991261) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 240718 + ... + 263588.

Almost surely, 2^5766991263 is an apocalyptic number.

5766991263 is a deficient number, since it is larger than the sum of its proper divisors (3664689633).

5766991263 is a wasteful number, since it uses less digits than its factorization.

5766991263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23177 (or 23168 counting only the distinct ones).

The product of its digits is 3674160, while the sum is 54.

The square root of 5766991263 is about 75940.7088655354. The cubic root of 5766991263 is about 1793.2868525985.

The spelling of 5766991263 in words is "five billion, seven hundred sixty-six million, nine hundred ninety-one thousand, two hundred sixty-three".