28826120112 has 80 divisors (see below), whose sum is σ = 75295930752. Its totient is φ = 9501972480.

The previous prime is 28826120107. The next prime is 28826120117. The reversal of 28826120112 is 21102162882.

It is an interprime number because it is at equal distance from previous prime (28826120107) and next prime (28826120117).

It is a super-2 number, since 2×28826120112² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (28826120117) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10553787 + ... + 10556517.

Almost surely, 2^28826120112 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 28826120112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37647965376).

28826120112 is an abundant number, since it is smaller than the sum of its proper divisors (46469810640).

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

28826120112 is a wasteful number, since it uses less digits than its factorization.

28826120112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5106 (or 5100 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 33.

Adding to 28826120112 its reverse (21102162882), we get a palindrome (49928282994).

The spelling of 28826120112 in words is "twenty-eight billion, eight hundred twenty-six million, one hundred twenty thousand, one hundred twelve".