27773049920 has 112 divisors (see below), whose sum is σ = 82453569408. Its totient is φ = 8656527360.

The previous prime is 27773049841. The next prime is 27773049929. The reversal of 27773049920 is 2994037772.

It is a tau number, because it is divible by the number of its divisors (112).

It is not an unprimeable number, because it can be changed into a prime (27773049929) 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, 538937 + ... + 588216.

It is an arithmetic number, because the mean of its divisors is an integer number (736192584).

Almost surely, 2^27773049920 is an apocalyptic number.

27773049920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27773049920 is an abundant number, since it is smaller than the sum of its proper divisors (54680519488).

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

27773049920 is a wasteful number, since it uses less digits than its factorization.

27773049920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1127188 (or 1127178 counting only the distinct ones).

The product of its (nonzero) digits is 1333584, while the sum is 50.

The spelling of 27773049920 in words is "twenty-seven billion, seven hundred seventy-three million, forty-nine thousand, nine hundred twenty".