28198998960 has 160 divisors (see below), whose sum is σ = 100383217920. Its totient is φ = 6476313600.

The previous prime is 28198998943. The next prime is 28198998973. The reversal of 28198998960 is 6989989182.

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, 230931 + ... + 331250.

It is an arithmetic number, because the mean of its divisors is an integer number (627395112).

Almost surely, 2^28198998960 is an apocalyptic number.

28198998960 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28198998960 is an abundant number, since it is smaller than the sum of its proper divisors (72184218960).

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

28198998960 is a wasteful number, since it uses less digits than its factorization.

28198998960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 562227 (or 562221 counting only the distinct ones).

The product of its (nonzero) digits is 40310784, while the sum is 69.

The spelling of 28198998960 in words is "twenty-eight billion, one hundred ninety-eight million, nine hundred ninety-eight thousand, nine hundred sixty".