28258050860 has 48 divisors (see below), whose sum is σ = 64015884576. Its totient is φ = 10415910912.

The previous prime is 28258050817. The next prime is 28258050883. The reversal of 28258050860 is 6805085282.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60044 + ... + 245196.

It is an arithmetic number, because the mean of its divisors is an integer number (1333664262).

Almost surely, 2^28258050860 is an apocalyptic number.

28258050860 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 28258050860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32007942288).

28258050860 is an abundant number, since it is smaller than the sum of its proper divisors (35757833716).

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

28258050860 is a wasteful number, since it uses less digits than its factorization.

28258050860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185762 (or 185760 counting only the distinct ones).

The product of its (nonzero) digits is 307200, while the sum is 44.

The spelling of 28258050860 in words is "twenty-eight billion, two hundred fifty-eight million, fifty thousand, eight hundred sixty".