28013738076 has 72 divisors (see below), whose sum is σ = 74423207040. Its totient is φ = 8867621664.

The previous prime is 28013737993. The next prime is 28013738087. The reversal of 28013738076 is 67083731082.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6610 + ... + 236793.

Almost surely, 2^28013738076 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 28013738076, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37211603520).

28013738076 is an abundant number, since it is smaller than the sum of its proper divisors (46409468964).

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

28013738076 is a wasteful number, since it uses less digits than its factorization.

28013738076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243575 (or 243570 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 45.

The spelling of 28013738076 in words is "twenty-eight billion, thirteen million, seven hundred thirty-eight thousand, seventy-six".