28470136592 has 80 divisors (see below), whose sum is σ = 58461436800. Its totient is φ = 13410862080.

The previous prime is 28470136553. The next prime is 28470136603. The reversal of 28470136592 is 29563107482.

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, 3746717 + ... + 3754307.

It is an arithmetic number, because the mean of its divisors is an integer number (730767960).

It is a 2-persistent number, because it is pandigital, and so is 2⋅28470136592 = 56940273184, but 3⋅28470136592 = 85410409776 is not.

Almost surely, 2^28470136592 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 28470136592, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29230718400).

28470136592 is an abundant number, since it is smaller than the sum of its proper divisors (29991300208).

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

28470136592 is a wasteful number, since it uses less digits than its factorization.

With its predecessor (28470136591) it forms a Ruth-Aaron pair, since the sum of their distinct prime factors is the same (7818).

28470136592 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7824 (or 7818 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 47.

The spelling of 28470136592 in words is "twenty-eight billion, four hundred seventy million, one hundred thirty-six thousand, five hundred ninety-two".