276770069 has 2 divisors, whose sum is σ = 276770070. Its totient is φ = 276770068.

The previous prime is 276770051. The next prime is 276770129. The reversal of 276770069 is 960077672.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 275892100 + 877969 = 16610^2 + 937^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-276770069 is a prime.

It is a super-2 number, since 2×276770069² = 153203342188529522, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (276775069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 138385034 + 138385035.

It is an arithmetic number, because the mean of its divisors is an integer number (138385035).

Almost surely, 2^276770069 is an apocalyptic number.

It is an amenable number.

276770069 is a deficient number, since it is larger than the sum of its proper divisors (1).

276770069 is an equidigital number, since it uses as much as digits as its factorization.

276770069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 222264, while the sum is 44.

The square root of 276770069 is about 16636.4079356092. The cubic root of 276770069 is about 651.6879748601.

The spelling of 276770069 in words is "two hundred seventy-six million, seven hundred seventy thousand, sixty-nine".