28898017000 has 64 divisors (see below), whose sum is σ = 67695722640. Its totient is φ = 11546496000.

The previous prime is 28898016991. The next prime is 28898017013. The reversal of 28898017000 is 71089882.

It can be written as a sum of positive squares in 8 ways, for example, as 125037124 + 28772979876 = 11182^2 + 169626^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 921580 + ... + 952420.

Almost surely, 2^28898017000 is an apocalyptic number.

28898017000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28898017000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33847861320).

28898017000 is an abundant number, since it is smaller than the sum of its proper divisors (38797705640).

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

28898017000 is a wasteful number, since it uses less digits than its factorization.

28898017000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31799 (or 31785 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 43.

The spelling of 28898017000 in words is "twenty-eight billion, eight hundred ninety-eight million, seventeen thousand".