27338920992 has 72 divisors (see below), whose sum is σ = 78152256000. Its totient is φ = 9065243520.

The previous prime is 27338920981. The next prime is 27338920993. The reversal of 27338920992 is 29902983372.

It is a happy number.

27338920992 is a `hidden beast` number, since 273 + 3 + 89 + 209 + 92 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is not an unprimeable number, because it can be changed into a prime (27338920993) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 193492 + ... + 303507.

It is an arithmetic number, because the mean of its divisors is an integer number (1085448000).

Almost surely, 2^27338920992 is an apocalyptic number.

It is an amenable number.

27338920992 is an abundant number, since it is smaller than the sum of its proper divisors (50813335008).

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

27338920992 is a wasteful number, since it uses less digits than its factorization.

27338920992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 497206 (or 497195 counting only the distinct ones).

The product of its (nonzero) digits is 2939328, while the sum is 54.

The spelling of 27338920992 in words is "twenty-seven billion, three hundred thirty-eight million, nine hundred twenty thousand, nine hundred ninety-two".