276906923 has 2 divisors, whose sum is σ = 276906924. Its totient is φ = 276906922.

The previous prime is 276906919. The next prime is 276906961. The reversal of 276906923 is 329609672.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 276906923 - 2² = 276906919 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (276906823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 138453461 + 138453462.

It is an arithmetic number, because the mean of its divisors is an integer number (138453462).

Almost surely, 2^276906923 is an apocalyptic number.

276906923 is a deficient number, since it is larger than the sum of its proper divisors (1).

276906923 is an equidigital number, since it uses as much as digits as its factorization.

276906923 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 244944, while the sum is 44.

The square root of 276906923 is about 16640.5205146954. The cubic root of 276906923 is about 651.7953701559.

The spelling of 276906923 in words is "two hundred seventy-six million, nine hundred six thousand, nine hundred twenty-three".