276480223 has 4 divisors (see below), whose sum is σ = 276629400. Its totient is φ = 276331048.

The previous prime is 276480203. The next prime is 276480233. The reversal of 276480223 is 322084672.

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-276480223 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 (276480203) 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, 71773 + ... + 75526.

It is an arithmetic number, because the mean of its divisors is an integer number (69157350).

Almost surely, 2^276480223 is an apocalyptic number.

276480223 is a deficient number, since it is larger than the sum of its proper divisors (149177).

276480223 is a wasteful number, since it uses less digits than its factorization.

276480223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149176.

The product of its (nonzero) digits is 32256, while the sum is 34.

The square root of 276480223 is about 16627.6944583427. The cubic root of 276480223 is about 651.4604031318.

The spelling of 276480223 in words is "two hundred seventy-six million, four hundred eighty thousand, two hundred twenty-three".