27773515332 has 96 divisors (see below), whose sum is σ = 77533545600. Its totient is φ = 8565543936.

The previous prime is 27773515327. The next prime is 27773515403. The reversal of 27773515332 is 23351537772.

27773515332 is a `hidden beast` number, since 277 + 7 + 35 + 15 + 332 = 666.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 19873 + ... + 236520.

It is an arithmetic number, because the mean of its divisors is an integer number (807641100).

Almost surely, 2^27773515332 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 27773515332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38766772800).

27773515332 is an abundant number, since it is smaller than the sum of its proper divisors (49760030268).

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

27773515332 is a wasteful number, since it uses less digits than its factorization.

27773515332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256482 (or 256474 counting only the distinct ones).

The product of its digits is 926100, while the sum is 45.

The spelling of 27773515332 in words is "twenty-seven billion, seven hundred seventy-three million, five hundred fifteen thousand, three hundred thirty-two".