276488923 has 2 divisors, whose sum is σ = 276488924. Its totient is φ = 276488922.

The previous prime is 276488917. The next prime is 276488939. The reversal of 276488923 is 329884672.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 276488923 - 2²⁵ = 242934491 is a prime.

It is a super-2 number, since 2×276488923² = 152892249083399858, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (276488983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 138244461 + 138244462.

It is an arithmetic number, because the mean of its divisors is an integer number (138244462).

Almost surely, 2^276488923 is an apocalyptic number.

276488923 is a deficient number, since it is larger than the sum of its proper divisors (1).

276488923 is an equidigital number, since it uses as much as digits as its factorization.

276488923 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1161216, while the sum is 49.

The square root of 276488923 is about 16627.9560680199. The cubic root of 276488923 is about 651.4672362258.

The spelling of 276488923 in words is "two hundred seventy-six million, four hundred eighty-eight thousand, nine hundred twenty-three".