276081093 has 6 divisors (see below), whose sum is σ = 398783814. Its totient is φ = 184054056.

The previous prime is 276081049. The next prime is 276081137. The reversal of 276081093 is 390180672.

It is an interprime number because it is at equal distance from previous prime (276081049) and next prime (276081137).

It can be written as a sum of positive squares in only one way, i.e., 261080964 + 15000129 = 16158^2 + 3873^2 .

It is not a de Polignac number, because 276081093 - 2⁸ = 276080837 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (276081193) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 15337830 + ... + 15337847.

It is an arithmetic number, because the mean of its divisors is an integer number (66463969).

Almost surely, 2^276081093 is an apocalyptic number.

It is an amenable number.

276081093 is a deficient number, since it is larger than the sum of its proper divisors (122702721).

276081093 is a wasteful number, since it uses less digits than its factorization.

276081093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30675683 (or 30675680 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 276081093 is about 16615.6881590863. The cubic root of 276081093 is about 651.1467669403.

The spelling of 276081093 in words is "two hundred seventy-six million, eighty-one thousand, ninety-three".