27229378248 has 36 divisors (see below), whose sum is σ = 73750025115. Its totient is φ = 9075992688.

The previous prime is 27229378243. The next prime is 27229378331. The reversal of 27229378248 is 84287392272.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

27229378248 is a `hidden beast` number, since 2 + 7 + 2 + 29 + 378 + 248 = 666.

It can be written as a sum of positive squares in only one way, i.e., 13614689124 + 13614689124 = 116682^2 + 116682^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=116682.

It is a junction number, because it is equal to n+sod(n) for n = 27229378194 and 27229378203.

It is not an unprimeable number, because it can be changed into a prime (27229378243) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1390461 + ... + 1409907.

Almost surely, 2^27229378248 is an apocalyptic number.

It is an amenable number.

27229378248 is an abundant number, since it is smaller than the sum of its proper divisors (46520646867).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27229378248 is an frugal number, since it uses more digits than its factorization.

27229378248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38906 (or 19452 counting only the distinct ones).

The product of its digits is 5419008, while the sum is 54.

The spelling of 27229378248 in words is "twenty-seven billion, two hundred twenty-nine million, three hundred seventy-eight thousand, two hundred forty-eight".