28016793600 has 288 divisors, whose sum is σ = 93228408000. Its totient is φ = 7422115840.

The previous prime is 28016793587. The next prime is 28016793659. The reversal of 28016793600 is 639761082.

It is a happy number.

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, 27493891 + ... + 27494909.

It is an arithmetic number, because the mean of its divisors is an integer number (323709750).

Almost surely, 2^28016793600 is an apocalyptic number.

28016793600 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28016793600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46614204000).

28016793600 is an abundant number, since it is smaller than the sum of its proper divisors (65211614400).

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

28016793600 is a wasteful number, since it uses less digits than its factorization.

28016793600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1233 (or 1208 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 42.

The spelling of 28016793600 in words is "twenty-eight billion, sixteen million, seven hundred ninety-three thousand, six hundred".