27773380530 has 192 divisors, whose sum is σ = 88720220160. Its totient is φ = 5886006912.

The previous prime is 27773380499. The next prime is 27773380589. The reversal of 27773380530 is 3508337772.

27773380530 is a `hidden beast` number, since 2 + 7 + 7 + 7 + 33 + 80 + 530 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 537907 + ... + 587273.

It is an arithmetic number, because the mean of its divisors is an integer number (462084480).

Almost surely, 2^27773380530 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27773380530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44360110080).

27773380530 is an abundant number, since it is smaller than the sum of its proper divisors (60946839630).

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

27773380530 is a wasteful number, since it uses less digits than its factorization.

27773380530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49453 (or 49450 counting only the distinct ones).

The product of its (nonzero) digits is 740880, while the sum is 45.

The spelling of 27773380530 in words is "twenty-seven billion, seven hundred seventy-three million, three hundred eighty thousand, five hundred thirty".