27727327542 has 16 divisors (see below), whose sum is σ = 55542546432. Its totient is φ = 9227793960.

The previous prime is 27727327541. The next prime is 27727327549. The reversal of 27727327542 is 24572372772.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 27727327491 and 27727327500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27727327541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3658038 + ... + 3665609.

It is an arithmetic number, because the mean of its divisors is an integer number (3471409152).

Almost surely, 2^27727327542 is an apocalyptic number.

27727327542 is an abundant number, since it is smaller than the sum of its proper divisors (27815218890).

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

27727327542 is a wasteful number, since it uses less digits than its factorization.

27727327542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7324283.

The product of its digits is 2304960, while the sum is 48.

The spelling of 27727327542 in words is "twenty-seven billion, seven hundred twenty-seven million, three hundred twenty-seven thousand, five hundred forty-two".