28524407838 has 16 divisors (see below), whose sum is σ = 57093296256. Its totient is φ = 9500722520.

The previous prime is 28524407773. The next prime is 28524407839. The reversal of 28524407838 is 83870442582.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28524407839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1845018 + ... + 1860413.

It is an arithmetic number, because the mean of its divisors is an integer number (3568331016).

Almost surely, 2^28524407838 is an apocalyptic number.

28524407838 is an abundant number, since it is smaller than the sum of its proper divisors (28568888418).

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

28524407838 is a wasteful number, since it uses less digits than its factorization.

28524407838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3706719.

The product of its (nonzero) digits is 3440640, while the sum is 51.

The spelling of 28524407838 in words is "twenty-eight billion, five hundred twenty-four million, four hundred seven thousand, eight hundred thirty-eight".