27011336827 has 16 divisors (see below), whose sum is σ = 28859765760. Its totient is φ = 25225909632.

The previous prime is 27011336777. The next prime is 27011336843. The reversal of 27011336827 is 72863311072.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 27011336827 - 2¹⁹ = 27010812539 is a prime.

It is a super-2 number, since 2×27011336827² (a number of 22 digits) contains 22 as substring.

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 27011336827.

It is not an unprimeable number, because it can be changed into a prime (27011336897) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 96574 + ... + 251692.

It is an arithmetic number, because the mean of its divisors is an integer number (1803735360).

Almost surely, 2^27011336827 is an apocalyptic number.

27011336827 is a deficient number, since it is larger than the sum of its proper divisors (1848428933).

27011336827 is a wasteful number, since it uses less digits than its factorization.

27011336827 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155322.

The product of its (nonzero) digits is 84672, while the sum is 40.

Adding to 27011336827 its reverse (72863311072), we get a palindrome (99874647899).

The spelling of 27011336827 in words is "twenty-seven billion, eleven million, three hundred thirty-six thousand, eight hundred twenty-seven".