27750000265 has 24 divisors (see below), whose sum is σ = 36149844888. Its totient is φ = 20440442880.

The previous prime is 27750000247. The next prime is 27750000281. The reversal of 27750000265 is 56200005772.

It is a happy number.

It can be written as a sum of positive squares in 12 ways, for example, as 18743800464 + 9006199801 = 136908^2 + 94901^2 .

It is not a de Polignac number, because 27750000265 - 2¹³ = 27749992073 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 27750000265.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 294105 + ... + 376825.

It is an arithmetic number, because the mean of its divisors is an integer number (1506243537).

Almost surely, 2^27750000265 is an apocalyptic number.

It is an amenable number.

27750000265 is a deficient number, since it is larger than the sum of its proper divisors (8399844623).

27750000265 is a wasteful number, since it uses less digits than its factorization.

27750000265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83149 (or 83136 counting only the distinct ones).

The product of its (nonzero) digits is 29400, while the sum is 34.

The spelling of 27750000265 in words is "twenty-seven billion, seven hundred fifty million, two hundred sixty-five", and thus it is an aban number.