28112634036 has 96 divisors (see below), whose sum is σ = 74439993600. Its totient is φ = 9287623296.

The previous prime is 28112633953. The next prime is 28112634037. The reversal of 28112634036 is 63043621182.

28112634036 is a `hidden beast` number, since 2 + 8 + 1 + 12 + 634 + 0 + 3 + 6 = 666.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28112634037) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 974305 + ... + 1002743.

It is an arithmetic number, because the mean of its divisors is an integer number (775416600).

Almost surely, 2^28112634036 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 28112634036, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37219996800).

28112634036 is an abundant number, since it is smaller than the sum of its proper divisors (46327359564).

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

28112634036 is a wasteful number, since it uses less digits than its factorization.

28112634036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28577 (or 28557 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The spelling of 28112634036 in words is "twenty-eight billion, one hundred twelve million, six hundred thirty-four thousand, thirty-six".