27047803488 has 192 divisors, whose sum is σ = 79528200192. Its totient is φ = 8004648960.

The previous prime is 27047803483. The next prime is 27047803501. The reversal of 27047803488 is 88430874072.

It is a super-2 number, since 2×27047803488² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a self number, because there is not a number n which added to its sum of digits gives 27047803488.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27047803483) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2735193 + ... + 2745063.

It is an arithmetic number, because the mean of its divisors is an integer number (414209376).

Almost surely, 2^27047803488 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27047803488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39764100096).

27047803488 is an abundant number, since it is smaller than the sum of its proper divisors (52480396704).

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

27047803488 is a wasteful number, since it uses less digits than its factorization.

27047803488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9997 (or 9989 counting only the distinct ones).

The product of its (nonzero) digits is 2408448, while the sum is 51.

The spelling of 27047803488 in words is "twenty-seven billion, forty-seven million, eight hundred three thousand, four hundred eighty-eight".