28857998583000 has 192 divisors, whose sum is σ = 97622244925920. Its totient is φ = 7688980320000.

The previous prime is 28857998582981. The next prime is 28857998583017. The reversal of 28857998583000 is 38589975882.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a self number, because there is not a number n which added to its sum of digits gives 28857998583000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9332350 + ... + 12033650.

Almost surely, 2^{28857998583000} is an apocalyptic number.

28857998583000 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 28857998583000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48811122462960).

28857998583000 is an abundant number, since it is smaller than the sum of its proper divisors (68764246342920).

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

28857998583000 is a wasteful number, since it uses less digits than its factorization.

28857998583000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2702515 (or 2702498 counting only the distinct ones).

The product of its (nonzero) digits is 348364800, while the sum is 72.

The spelling of 28857998583000 in words is "twenty-eight trillion, eight hundred fifty-seven billion, nine hundred ninety-eight million, five hundred eighty-three thousand".