276646676 has 12 divisors (see below), whose sum is σ = 488925780. Its totient is φ = 136953600.

The previous prime is 276646613. The next prime is 276646709. The reversal of 276646676 is 676646672.

It can be written as a sum of positive squares in 2 ways, for example, as 180096400 + 96550276 = 13420^2 + 9826^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 341981 + ... + 342788.

It is an arithmetic number, because the mean of its divisors is an integer number (40743815).

Almost surely, 2^276646676 is an apocalyptic number.

It is an amenable number.

276646676 is a deficient number, since it is larger than the sum of its proper divisors (212279104).

276646676 is a wasteful number, since it uses less digits than its factorization.

276646676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 684874 (or 684872 counting only the distinct ones).

The product of its digits is 3048192, while the sum is 50.

The square root of 276646676 is about 16632.6989992605. The cubic root of 276646676 is about 651.5911126430.

The spelling of 276646676 in words is "two hundred seventy-six million, six hundred forty-six thousand, six hundred seventy-six".