276606851 has 2 divisors, whose sum is σ = 276606852. Its totient is φ = 276606850.

The previous prime is 276606829. The next prime is 276606853. The reversal of 276606851 is 158606672.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-276606851 is a prime.

It is a super-2 number, since 2×276606851² = 153022700040272402, which contains 22 as substring.

Together with 276606853, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 276606799 and 276606808.

It is not a weakly prime, because it can be changed into another prime (276606853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 138303425 + 138303426.

It is an arithmetic number, because the mean of its divisors is an integer number (138303426).

Almost surely, 2^276606851 is an apocalyptic number.

276606851 is a deficient number, since it is larger than the sum of its proper divisors (1).

276606851 is an equidigital number, since it uses as much as digits as its factorization.

276606851 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120960, while the sum is 41.

The square root of 276606851 is about 16631.5017662266. The cubic root of 276606851 is about 651.5598442856.

The spelling of 276606851 in words is "two hundred seventy-six million, six hundred six thousand, eight hundred fifty-one".