28878504540592 has 40 divisors (see below), whose sum is σ = 64163503335456. Its totient is φ = 12334261310976.

The previous prime is 28878504540563. The next prime is 28878504540601. The reversal of 28878504540592 is 29504540587882.

It is a Smith number, since the sum of its digits (67) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

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, 439973653 + ... + 440039284.

Almost surely, 2^{28878504540592} is an apocalyptic number.

It is an amenable number.

28878504540592 is an abundant number, since it is smaller than the sum of its proper divisors (35284998794864).

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

28878504540592 is a wasteful number, since it uses less digits than its factorization.

28878504540592 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 880013245 (or 880013239 counting only the distinct ones).

The product of its (nonzero) digits is 258048000, while the sum is 67.

The spelling of 28878504540592 in words is "twenty-eight trillion, eight hundred seventy-eight billion, five hundred four million, five hundred forty thousand, five hundred ninety-two".