28571428575860 has 48 divisors (see below), whose sum is σ = 60202172564352. Its totient is φ = 11390073667200.

The previous prime is 28571428575853. The next prime is 28571428575869. The reversal of 28571428575860 is 6857582417582.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28571428575869) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40522094 + ... + 41221146.

It is an arithmetic number, because the mean of its divisors is an integer number (1254211928424).

Almost surely, 2^{28571428575860} is an apocalyptic number.

28571428575860 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28571428575860 is an abundant number, since it is smaller than the sum of its proper divisors (31630743988492).

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

28571428575860 is a wasteful number, since it uses less digits than its factorization.

28571428575860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 705944 (or 705942 counting only the distinct ones).

The product of its (nonzero) digits is 301056000, while the sum is 68.

The spelling of 28571428575860 in words is "twenty-eight trillion, five hundred seventy-one billion, four hundred twenty-eight million, five hundred seventy-five thousand, eight hundred sixty".