28952985828 has 48 divisors (see below), whose sum is σ = 73235528576. Its totient is φ = 8849606400.

The previous prime is 28952985797. The next prime is 28952985851. The reversal of 28952985828 is 82858925982.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 591001 + ... + 638112.

Almost surely, 2^28952985828 is an apocalyptic number.

It is an amenable number.

28952985828 is an abundant number, since it is smaller than the sum of its proper divisors (44282542748).

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

28952985828 is a wasteful number, since it uses less digits than its factorization.

28952985828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1229284 (or 1229282 counting only the distinct ones).

The product of its digits is 66355200, while the sum is 66.

The spelling of 28952985828 in words is "twenty-eight billion, nine hundred fifty-two million, nine hundred eighty-five thousand, eight hundred twenty-eight".