28883823628 has 12 divisors (see below), whose sum is σ = 55141845192. Its totient is φ = 13129010720.

The previous prime is 28883823587. The next prime is 28883823629. The reversal of 28883823628 is 82632838882.

It is a happy number.

It is a super-2 number, since 2×28883823628² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (28883823629) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 328225225 + ... + 328225312.

It is an arithmetic number, because the mean of its divisors is an integer number (4595153766).

Almost surely, 2^28883823628 is an apocalyptic number.

It is an amenable number.

28883823628 is a deficient number, since it is larger than the sum of its proper divisors (26258021564).

28883823628 is a wasteful number, since it uses less digits than its factorization.

28883823628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 656450552 (or 656450550 counting only the distinct ones).

The product of its digits is 14155776, while the sum is 58.

The spelling of 28883823628 in words is "twenty-eight billion, eight hundred eighty-three million, eight hundred twenty-three thousand, six hundred twenty-eight".