28786176000 has 312 divisors, whose sum is σ = 103787702304. Its totient is φ = 7675084800.

The previous prime is 28786175927. The next prime is 28786176091. The reversal of 28786176000 is 67168782.

28786176000 is a `hidden beast` number, since 28 + 7 + 8 + 6 + 17 + 600 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4604877 + ... + 4611123.

It is an arithmetic number, because the mean of its divisors is an integer number (332652892).

Almost surely, 2^28786176000 is an apocalyptic number.

28786176000 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 28786176000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51893851152).

28786176000 is an abundant number, since it is smaller than the sum of its proper divisors (75001526304).

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

28786176000 is an equidigital number, since it uses as much as digits as its factorization.

28786176000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6292 (or 6257 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 45.

The spelling of 28786176000 in words is "twenty-eight billion, seven hundred eighty-six million, one hundred seventy-six thousand".