255078763 has 4 divisors (see below), whose sum is σ = 266169168. Its totient is φ = 243988360.

The previous prime is 255078739. The next prime is 255078767. The reversal of 255078763 is 367870552.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-255078763 is a prime.

It is a super-3 number, since 3×255078763³ (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (255078767) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5545168 + ... + 5545213.

It is an arithmetic number, because the mean of its divisors is an integer number (66542292).

Almost surely, 2^255078763 is an apocalyptic number.

255078763 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

255078763 is a deficient number, since it is larger than the sum of its proper divisors (11090405).

255078763 is a wasteful number, since it uses less digits than its factorization.

255078763 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11090404.

The product of its (nonzero) digits is 352800, while the sum is 43.

The square root of 255078763 is about 15971.1853974588. The cubic root of 255078763 is about 634.1978529466.

The spelling of 255078763 in words is "two hundred fifty-five million, seventy-eight thousand, seven hundred sixty-three".