27776734446 has 16 divisors (see below), whose sum is σ = 55561284864. Its totient is φ = 9257608824.

The previous prime is 27776734423. The next prime is 27776734451. The reversal of 27776734446 is 64443767772.

It is a happy number.

27776734446 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 278950 + ... + 365193.

It is an arithmetic number, because the mean of its divisors is an integer number (3472580304).

Almost surely, 2^27776734446 is an apocalyptic number.

27776734446 is an abundant number, since it is smaller than the sum of its proper divisors (27784550418).

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

27776734446 is a wasteful number, since it uses less digits than its factorization.

27776734446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 651335.

The product of its digits is 33191424, while the sum is 57.

It can be divided in two parts, 277767 and 34446, that added together give a palindrome (312213).

The spelling of 27776734446 in words is "twenty-seven billion, seven hundred seventy-six million, seven hundred thirty-four thousand, four hundred forty-six".