28285984554 has 16 divisors (see below), whose sum is σ = 56586495648. Its totient is φ = 9426240432.

The previous prime is 28285984549. The next prime is 28285984607. The reversal of 28285984554 is 45548958282.

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, 579877 + ... + 626760.

It is an arithmetic number, because the mean of its divisors is an integer number (3536655978).

Almost surely, 2^28285984554 is an apocalyptic number.

28285984554 is an abundant number, since it is smaller than the sum of its proper divisors (28300511094).

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

28285984554 is a wasteful number, since it uses less digits than its factorization.

28285984554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1210549.

The product of its digits is 36864000, while the sum is 60.

The spelling of 28285984554 in words is "twenty-eight billion, two hundred eighty-five million, nine hundred eighty-four thousand, five hundred fifty-four".