28475428120 has 16 divisors (see below), whose sum is σ = 64069713360. Its totient is φ = 11390171232.

The previous prime is 28475428099. The next prime is 28475428123. The reversal of 28475428120 is 2182457482.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28475428123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 355942812 + ... + 355942891.

It is an arithmetic number, because the mean of its divisors is an integer number (4004357085).

Almost surely, 2^28475428120 is an apocalyptic number.

28475428120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28475428120 is an abundant number, since it is smaller than the sum of its proper divisors (35594285240).

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

28475428120 is a wasteful number, since it uses less digits than its factorization.

28475428120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 711885714 (or 711885710 counting only the distinct ones).

The product of its (nonzero) digits is 286720, while the sum is 43.

The spelling of 28475428120 in words is "twenty-eight billion, four hundred seventy-five million, four hundred twenty-eight thousand, one hundred twenty".