27774427604 has 72 divisors (see below), whose sum is σ = 61110303744. Its totient is φ = 10811908800.

The previous prime is 27774427547. The next prime is 27774427613. The reversal of 27774427604 is 40672447772.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 4980962 + ... + 4986534.

Almost surely, 2^27774427604 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27774427604, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30555151872).

27774427604 is an abundant number, since it is smaller than the sum of its proper divisors (33335876140).

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

27774427604 is a wasteful number, since it uses less digits than its factorization.

27774427604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7077 (or 7064 counting only the distinct ones).

The product of its (nonzero) digits is 3687936, while the sum is 50.

The spelling of 27774427604 in words is "twenty-seven billion, seven hundred seventy-four million, four hundred twenty-seven thousand, six hundred four".