28055836008 has 96 divisors (see below), whose sum is σ = 78579970560. Its totient is φ = 9033621120.

The previous prime is 28055836001. The next prime is 28055836013. The reversal of 28055836008 is 80063855082.

It is a happy number.

28055836008 is a `hidden beast` number, since 2 + 8 + 0 + 5 + 583 + 60 + 0 + 8 = 666.

It is not an unprimeable number, because it can be changed into a prime (28055836001) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1231941 + ... + 1254507.

It is an arithmetic number, because the mean of its divisors is an integer number (818541360).

Almost surely, 2^28055836008 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 28055836008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39289985280).

28055836008 is an abundant number, since it is smaller than the sum of its proper divisors (50524134552).

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

28055836008 is a wasteful number, since it uses less digits than its factorization.

28055836008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23167 (or 23160 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 45.

The spelling of 28055836008 in words is "twenty-eight billion, fifty-five million, eight hundred thirty-six thousand, eight".