276680403 has 12 divisors (see below), whose sum is σ = 399796488. Its totient is φ = 184385760.

The previous prime is 276680381. The next prime is 276680429. The reversal of 276680403 is 304086672.

It is not a de Polignac number, because 276680403 - 2¹² = 276676307 is a prime.

It is not an unprimeable number, because it can be changed into a prime (276680483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37543 + ... + 44303.

It is an arithmetic number, because the mean of its divisors is an integer number (33316374).

Almost surely, 2^276680403 is an apocalyptic number.

276680403 is a deficient number, since it is larger than the sum of its proper divisors (123116085).

276680403 is a wasteful number, since it uses less digits than its factorization.

276680403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11314 (or 11311 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 276680403 is about 16633.7128447019. The cubic root of 276680403 is about 651.6175908459.

The spelling of 276680403 in words is "two hundred seventy-six million, six hundred eighty thousand, four hundred three".