28263770112 has 144 divisors (see below), whose sum is σ = 79532500320. Its totient is φ = 8924700672.

The previous prime is 28263770111. The next prime is 28263770113. The reversal of 28263770112 is 21107736282.

It is an interprime number because it is at equal distance from previous prime (28263770111) and next prime (28263770113).

It is not an unprimeable number, because it can be changed into a prime (28263770111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2211613 + ... + 2224355.

It is an arithmetic number, because the mean of its divisors is an integer number (552309030).

Almost surely, 2^28263770112 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 28263770112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39766250160).

28263770112 is an abundant number, since it is smaller than the sum of its proper divisors (51268730208).

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

28263770112 is a wasteful number, since it uses less digits than its factorization.

28263770112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12806 (or 12767 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 39.

The spelling of 28263770112 in words is "twenty-eight billion, two hundred sixty-three million, seven hundred seventy thousand, one hundred twelve".