263260828127 has 4 divisors (see below), whose sum is σ = 287193630696. Its totient is φ = 239328025560.

The previous prime is 263260828123. The next prime is 263260828157. The reversal of 263260828127 is 721828062362.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 263260828127 - 2² = 263260828123 is a prime.

It is a super-2 number, since 2×263260828127² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (263260828123) 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 3 ways as a sum of consecutive naturals, for example, 11966401268 + ... + 11966401289.

It is an arithmetic number, because the mean of its divisors is an integer number (71798407674).

Almost surely, 2^263260828127 is an apocalyptic number.

263260828127 is a deficient number, since it is larger than the sum of its proper divisors (23932802569).

263260828127 is a wasteful number, since it uses less digits than its factorization.

263260828127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23932802568.

The product of its (nonzero) digits is 774144, while the sum is 47.

The spelling of 263260828127 in words is "two hundred sixty-three billion, two hundred sixty million, eight hundred twenty-eight thousand, one hundred twenty-seven".