27444727968 has 96 divisors (see below), whose sum is σ = 83887767936. Its totient is φ = 7693390848.

The previous prime is 27444727963. The next prime is 27444727997. The reversal of 27444727968 is 86972744472.

It is a tau number, because it is divible by the number of its divisors (96).

It is not an unprimeable number, because it can be changed into a prime (27444727963) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 349671 + ... + 420902.

It is an arithmetic number, because the mean of its divisors is an integer number (873830916).

Almost surely, 2^27444727968 is an apocalyptic number.

27444727968 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

27444727968 is an abundant number, since it is smaller than the sum of its proper divisors (56443039968).

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

27444727968 is a wasteful number, since it uses less digits than its factorization.

27444727968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 770646 (or 770638 counting only the distinct ones).

The product of its digits is 37933056, while the sum is 60.

The spelling of 27444727968 in words is "twenty-seven billion, four hundred forty-four million, seven hundred twenty-seven thousand, nine hundred sixty-eight".