28112676306 has 128 divisors (see below), whose sum is σ = 69307564032. Its totient is φ = 7484832000.

The previous prime is 28112676283. The next prime is 28112676307. The reversal of 28112676306 is 60367621182.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (28112676307) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1613815 + ... + 1631141.

It is an arithmetic number, because the mean of its divisors is an integer number (541465344).

Almost surely, 2^28112676306 is an apocalyptic number.

28112676306 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 28112676306, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34653782016).

28112676306 is an abundant number, since it is smaller than the sum of its proper divisors (41194887726).

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

28112676306 is a wasteful number, since it uses less digits than its factorization.

28112676306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17448.

The product of its (nonzero) digits is 145152, while the sum is 42.

The spelling of 28112676306 in words is "twenty-eight billion, one hundred twelve million, six hundred seventy-six thousand, three hundred six".