27773313888 has 48 divisors (see below), whose sum is σ = 72922595760. Its totient is φ = 9255530496.

The previous prime is 27773313871. The next prime is 27773313889. The reversal of 27773313888 is 88831337772.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27773313889) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 390456 + ... + 456072.

It is an arithmetic number, because the mean of its divisors is an integer number (1519220745).

Almost surely, 2^27773313888 is an apocalyptic number.

It is an amenable number.

27773313888 is an abundant number, since it is smaller than the sum of its proper divisors (45149281872).

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

27773313888 is a wasteful number, since it uses less digits than its factorization.

27773313888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70039 (or 70031 counting only the distinct ones).

The product of its digits is 9483264, while the sum is 57.

The spelling of 27773313888 in words is "twenty-seven billion, seven hundred seventy-three million, three hundred thirteen thousand, eight hundred eighty-eight".