28624866656 has 48 divisors (see below), whose sum is σ = 57336491520. Its totient is φ = 14064543360.

The previous prime is 28624866623. The next prime is 28624866659. The reversal of 28624866656 is 65666842682.

It is a junction number, because it is equal to n+sod(n) for n = 28624866595 and 28624866604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28624866659) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 676985 + ... + 718023.

It is an arithmetic number, because the mean of its divisors is an integer number (1194510240).

Almost surely, 2^28624866656 is an apocalyptic number.

It is an amenable number.

28624866656 is an abundant number, since it is smaller than the sum of its proper divisors (28711624864).

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

28624866656 is a wasteful number, since it uses less digits than its factorization.

28624866656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41427 (or 41419 counting only the distinct ones).

The product of its digits is 39813120, while the sum is 59.

The spelling of 28624866656 in words is "twenty-eight billion, six hundred twenty-four million, eight hundred sixty-six thousand, six hundred fifty-six".