276868793 has 2 divisors, whose sum is σ = 276868794. Its totient is φ = 276868792.

The previous prime is 276868759. The next prime is 276868807. The reversal of 276868793 is 397868672.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 194658304 + 82210489 = 13952^2 + 9067^2 .

It is a cyclic number.

It is not a de Polignac number, because 276868793 - 2¹⁰ = 276867769 is a prime.

It is not a weakly prime, because it can be changed into another prime (276868093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 138434396 + 138434397.

It is an arithmetic number, because the mean of its divisors is an integer number (138434397).

Almost surely, 2^276868793 is an apocalyptic number.

It is an amenable number.

276868793 is a deficient number, since it is larger than the sum of its proper divisors (1).

276868793 is an equidigital number, since it uses as much as digits as its factorization.

276868793 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6096384, while the sum is 56.

The square root of 276868793 is about 16639.3747779176. The cubic root of 276868793 is about 651.7654514404.

The spelling of 276868793 in words is "two hundred seventy-six million, eight hundred sixty-eight thousand, seven hundred ninety-three".