28575010516 has 24 divisors (see below), whose sum is σ = 55166394024. Its totient is φ = 12866795520.

The previous prime is 28575010441. The next prime is 28575010517. The reversal of 28575010516 is 61501057582.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 620508100 + 27954502416 = 24910^2 + 167196^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28575010517) 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, 6699325 + ... + 6703588.

It is an arithmetic number, because the mean of its divisors is an integer number (2298599751).

Almost surely, 2^28575010516 is an apocalyptic number.

28575010516 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

28575010516 is a deficient number, since it is larger than the sum of its proper divisors (26591383508).

28575010516 is a wasteful number, since it uses less digits than its factorization.

28575010516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13402971 (or 13402969 counting only the distinct ones).

The product of its (nonzero) digits is 84000, while the sum is 40.

The spelling of 28575010516 in words is "twenty-eight billion, five hundred seventy-five million, ten thousand, five hundred sixteen".