27099587242 has 32 divisors (see below), whose sum is σ = 50877993600. Its totient is φ = 10539004608.

The previous prime is 27099587227. The next prime is 27099587243. The reversal of 27099587242 is 24278599072.

It is a Smith number, since the sum of its digits (55) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (27099587243) 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, 1251117 + ... + 1272592.

It is an arithmetic number, because the mean of its divisors is an integer number (1589937300).

Almost surely, 2^27099587242 is an apocalyptic number.

27099587242 is a deficient number, since it is larger than the sum of its proper divisors (23778406358).

27099587242 is a wasteful number, since it uses less digits than its factorization.

27099587242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2523790.

The product of its (nonzero) digits is 5080320, while the sum is 55.

The spelling of 27099587242 in words is "twenty-seven billion, ninety-nine million, five hundred eighty-seven thousand, two hundred forty-two".