28525852576 has 48 divisors (see below), whose sum is σ = 64037973384. Its totient is φ = 12391317504.

The previous prime is 28525852567. The next prime is 28525852577. The reversal of 28525852576 is 67525852582.

It can be written as a sum of positive squares in 4 ways, for example, as 23244051600 + 5281800976 = 152460^2 + 72676^2 .

It is not an unprimeable number, because it can be changed into a prime (28525852577) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2009745 + ... + 2023888.

Almost surely, 2^28525852576 is an apocalyptic number.

28525852576 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

28525852576 is an abundant number, since it is smaller than the sum of its proper divisors (35512120808).

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

28525852576 is a wasteful number, since it uses less digits than its factorization.

28525852576 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4033673 (or 4033665 counting only the distinct ones).

The product of its digits is 13440000, while the sum is 55.

The spelling of 28525852576 in words is "twenty-eight billion, five hundred twenty-five million, eight hundred fifty-two thousand, five hundred seventy-six".