276908212223 has 4 divisors (see below), whose sum is σ = 277463139000. Its totient is φ = 276353285448.

The previous prime is 276908212199. The next prime is 276908212237. The reversal of 276908212223 is 322212809672.

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 276908212223 - 2²⁶ = 276841103359 is a prime.

It is a Duffinian number.

It is a plaindrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (276908212253) 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, 277462640 + ... + 277463637.

It is an arithmetic number, because the mean of its divisors is an integer number (69365784750).

Almost surely, 2^276908212223 is an apocalyptic number.

276908212223 is a deficient number, since it is larger than the sum of its proper divisors (554926777).

276908212223 is an equidigital number, since it uses as much as digits as its factorization.

276908212223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 554926776.

The product of its (nonzero) digits is 290304, while the sum is 44.

The spelling of 276908212223 in words is "two hundred seventy-six billion, nine hundred eight million, two hundred twelve thousand, two hundred twenty-three".