277994113 has 2 divisors, whose sum is σ = 277994114. Its totient is φ = 277994112.

The previous prime is 277994107. The next prime is 277994131. The reversal of 277994113 is 311499772.

It is a happy number.

Together with next prime (277994131) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 277988929 + 5184 = 16673^2 + 72^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-277994113 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 277994113.

It is not a weakly prime, because it can be changed into another prime (277994173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 138997056 + 138997057.

It is an arithmetic number, because the mean of its divisors is an integer number (138997057).

Almost surely, 2^277994113 is an apocalyptic number.

It is an amenable number.

277994113 is a deficient number, since it is larger than the sum of its proper divisors (1).

277994113 is an equidigital number, since it uses as much as digits as its factorization.

277994113 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 95256, while the sum is 43.

The square root of 277994113 is about 16673.1554602001. The cubic root of 277994113 is about 652.6472809934.

The spelling of 277994113 in words is "two hundred seventy-seven million, nine hundred ninety-four thousand, one hundred thirteen".