27690800229 has 12 divisors (see below), whose sum is σ = 39999273132. Its totient is φ = 18459864000.

The previous prime is 27690800209. The next prime is 27690800231. The reversal of 27690800229 is 92200809672.

It can be written as a sum of positive squares in 2 ways, for example, as 3806643204 + 23884157025 = 61698^2 + 154545^2 .

It is not a de Polignac number, because 27690800229 - 2¹³ = 27690792037 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27690800209) 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 11 ways as a sum of consecutive naturals, for example, 417319 + ... + 479099.

It is an arithmetic number, because the mean of its divisors is an integer number (3333272761).

Almost surely, 2^27690800229 is an apocalyptic number.

It is an amenable number.

27690800229 is a deficient number, since it is larger than the sum of its proper divisors (12308472903).

27690800229 is a wasteful number, since it uses less digits than its factorization.

27690800229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111588 (or 111585 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The spelling of 27690800229 in words is "twenty-seven billion, six hundred ninety million, eight hundred thousand, two hundred twenty-nine".