27793270908 has 384 divisors, whose sum is σ = 86873472000. Its totient is φ = 7603061760.

The previous prime is 27793270907. The next prime is 27793270919. The reversal of 27793270908 is 80907239772.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27793270907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 28622863 + ... + 28623833.

It is an arithmetic number, because the mean of its divisors is an integer number (226233000).

Almost surely, 2^27793270908 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 27793270908, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43436736000).

27793270908 is an abundant number, since it is smaller than the sum of its proper divisors (59080201092).

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

27793270908 is a wasteful number, since it uses less digits than its factorization.

27793270908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1082 (or 1074 counting only the distinct ones).

The product of its (nonzero) digits is 2667168, while the sum is 54.

The spelling of 27793270908 in words is "twenty-seven billion, seven hundred ninety-three million, two hundred seventy thousand, nine hundred eight".