28523824283556 has 96 divisors (see below), whose sum is σ = 84786788136960. Its totient is φ = 8123459306400.

The previous prime is 28523824283501. The next prime is 28523824283579. The reversal of 28523824283556 is 65538242832582.

28523824283556 is a `hidden beast` number, since 2 + 8 + 5 + 2 + 38 + 2 + 42 + 8 + 3 + 556 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a junction number, because it is equal to n+sod(n) for n = 28523824283493 and 28523824283502.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 60423930 + ... + 60894161.

It is an arithmetic number, because the mean of its divisors is an integer number (883195709760).

Almost surely, 2^{28523824283556} is an apocalyptic number.

It is an amenable number.

28523824283556 is an abundant number, since it is smaller than the sum of its proper divisors (56262963853404).

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

28523824283556 is a wasteful number, since it uses less digits than its factorization.

28523824283556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121318422 (or 121318414 counting only the distinct ones).

The product of its digits is 221184000, while the sum is 63.

The spelling of 28523824283556 in words is "twenty-eight trillion, five hundred twenty-three billion, eight hundred twenty-four million, two hundred eighty-three thousand, five hundred fifty-six".