28577230871488 has 56 divisors (see below), whose sum is σ = 61072550476448. Its totient is φ = 13188960193536.

The previous prime is 28577230871473. The next prime is 28577230871507. The reversal of 28577230871488 is 88417803277582.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20373370 + ... + 21730822.

It is an arithmetic number, because the mean of its divisors is an integer number (1090581258508).

Almost surely, 2^{28577230871488} is an apocalyptic number.

It is an amenable number.

28577230871488 is an abundant number, since it is smaller than the sum of its proper divisors (32495319604960).

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

28577230871488 is a wasteful number, since it uses less digits than its factorization.

28577230871488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1382781 (or 1382771 counting only the distinct ones).

The product of its (nonzero) digits is 337182720, while the sum is 70.

The spelling of 28577230871488 in words is "twenty-eight trillion, five hundred seventy-seven billion, two hundred thirty million, eight hundred seventy-one thousand, four hundred eighty-eight".