27219993620984 has 32 divisors (see below), whose sum is σ = 54564350461920. Its totient is φ = 12685045564416.

The previous prime is 27219993620921. The next prime is 27219993621011. The reversal of 27219993620984 is 48902639991272.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 971573429 + ... + 971601444.

It is an arithmetic number, because the mean of its divisors is an integer number (1705135951935).

Almost surely, 2^{27219993620984} is an apocalyptic number.

It is an amenable number.

27219993620984 is an abundant number, since it is smaller than the sum of its proper divisors (27344356840936).

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

27219993620984 is a wasteful number, since it uses less digits than its factorization.

27219993620984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1943174999 (or 1943174995 counting only the distinct ones).

The product of its (nonzero) digits is 211631616, while the sum is 71.

The spelling of 27219993620984 in words is "twenty-seven trillion, two hundred nineteen billion, nine hundred ninety-three million, six hundred twenty thousand, nine hundred eighty-four".