28060828136 has 64 divisors (see below), whose sum is σ = 58940602560. Its totient is φ = 12416256000.

The previous prime is 28060828121. The next prime is 28060828183. The reversal of 28060828136 is 63182806082.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 493751 + ... + 547641.

It is an arithmetic number, because the mean of its divisors is an integer number (920946915).

Almost surely, 2^28060828136 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 28060828136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29470301280).

28060828136 is an abundant number, since it is smaller than the sum of its proper divisors (30879774424).

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

28060828136 is a wasteful number, since it uses less digits than its factorization.

28060828136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54066 (or 54062 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 44.

The spelling of 28060828136 in words is "twenty-eight billion, sixty million, eight hundred twenty-eight thousand, one hundred thirty-six".