27747684076 has 24 divisors (see below), whose sum is σ = 55498897440. Its totient is φ = 11891108352.

The previous prime is 27747684071. The next prime is 27747684089. The reversal of 27747684076 is 67048674772.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 27747684076.

It is not an unprimeable number, because it can be changed into a prime (27747684071) 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, 826710 + ... + 859618.

It is an arithmetic number, because the mean of its divisors is an integer number (2312454060).

Almost surely, 2^27747684076 is an apocalyptic number.

It is an amenable number.

27747684076 is an abundant number, since it is smaller than the sum of its proper divisors (27751213364).

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

27747684076 is a wasteful number, since it uses less digits than its factorization.

27747684076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63033 (or 63031 counting only the distinct ones).

The product of its (nonzero) digits is 22127616, while the sum is 58.

The spelling of 27747684076 in words is "twenty-seven billion, seven hundred forty-seven million, six hundred eighty-four thousand, seventy-six".