276776131 has 2 divisors, whose sum is σ = 276776132. Its totient is φ = 276776130.

The previous prime is 276776113. The next prime is 276776147. The reversal of 276776131 is 131677672.

Together with previous prime (276776113) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-276776131 is a prime.

It is a super-3 number, since 3×276776131³ (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (276776111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 138388065 + 138388066.

It is an arithmetic number, because the mean of its divisors is an integer number (138388066).

Almost surely, 2^276776131 is an apocalyptic number.

276776131 is a deficient number, since it is larger than the sum of its proper divisors (1).

276776131 is an equidigital number, since it uses as much as digits as its factorization.

276776131 is an evil number, because the sum of its binary digits is even.

The product of its digits is 74088, while the sum is 40.

The square root of 276776131 is about 16636.5901253833. The cubic root of 276776131 is about 651.6927327249.

The spelling of 276776131 in words is "two hundred seventy-six million, seven hundred seventy-six thousand, one hundred thirty-one".