276685813 has 8 divisors (see below), whose sum is σ = 285423200. Its totient is φ = 268084080.

The previous prime is 276685789. The next prime is 276685823. The reversal of 276685813 is 318586672.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 276685813 - 2¹⁷ = 276554741 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (276685823) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29763 + ... + 37936.

It is an arithmetic number, because the mean of its divisors is an integer number (35677900).

Almost surely, 2^276685813 is an apocalyptic number.

It is an amenable number.

276685813 is a deficient number, since it is larger than the sum of its proper divisors (8737387).

276685813 is an equidigital number, since it uses as much as digits as its factorization.

276685813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67827.

The product of its digits is 483840, while the sum is 46.

The square root of 276685813 is about 16633.8754654470. The cubic root of 276685813 is about 651.6218378979.

The spelling of 276685813 in words is "two hundred seventy-six million, six hundred eighty-five thousand, eight hundred thirteen".