27009827390 has 32 divisors (see below), whose sum is σ = 59837158080. Its totient is φ = 8548164864.

The previous prime is 27009827363. The next prime is 27009827393. The reversal of 27009827390 is 9372890072.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27009827393) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 14839655 + ... + 14841474.

It is an arithmetic number, because the mean of its divisors is an integer number (1869911190).

Almost surely, 2^27009827390 is an apocalyptic number.

27009827390 is an abundant number, since it is smaller than the sum of its proper divisors (32827330690).

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

27009827390 is a wasteful number, since it uses less digits than its factorization.

27009827390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29681156.

The product of its (nonzero) digits is 381024, while the sum is 47.

The spelling of 27009827390 in words is "twenty-seven billion, nine million, eight hundred twenty-seven thousand, three hundred ninety".