28858983630 has 32 divisors (see below), whose sum is σ = 69272146944. Its totient is φ = 7694552736.

The previous prime is 28858983617. The next prime is 28858983631. The reversal of 28858983630 is 3638985882.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28858983631) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 135807 + ... + 275973.

It is an arithmetic number, because the mean of its divisors is an integer number (2164754592).

Almost surely, 2^28858983630 is an apocalyptic number.

28858983630 is an abundant number, since it is smaller than the sum of its proper divisors (40413163314).

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

28858983630 is a wasteful number, since it uses less digits than its factorization.

28858983630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147040.

The product of its (nonzero) digits is 19906560, while the sum is 60.

The spelling of 28858983630 in words is "twenty-eight billion, eight hundred fifty-eight million, nine hundred eighty-three thousand, six hundred thirty".