2766255263 has 8 divisors (see below), whose sum is σ = 2789090640. Its totient is φ = 2743462080.

The previous prime is 2766255257. The next prime is 2766255269. The reversal of 2766255263 is 3625526672.

It is an interprime number because it is at equal distance from previous prime (2766255257) and next prime (2766255269).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2766255263 - 2⁸ = 2766255007 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2766255269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 128603 + ... + 148563.

It is an arithmetic number, because the mean of its divisors is an integer number (348636330).

Almost surely, 2^2766255263 is an apocalyptic number.

2766255263 is a deficient number, since it is larger than the sum of its proper divisors (22835377).

2766255263 is a wasteful number, since it uses less digits than its factorization.

2766255263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21097.

The product of its digits is 907200, while the sum is 44.

The square root of 2766255263 is about 52595.2019009339. The cubic root of 2766255263 is about 1403.7747220078.

The spelling of 2766255263 in words is "two billion, seven hundred sixty-six million, two hundred fifty-five thousand, two hundred sixty-three".