28676783133900 has 216 divisors, whose sum is σ = 98072763660144. Its totient is φ = 6950845324800.

The previous prime is 28676783133863. The next prime is 28676783133913. The reversal of 28676783133900 is 933138767682.

28676783133900 is a `hidden beast` number, since 2 + 86 + 76 + 78 + 31 + 3 + 390 + 0 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 63103894 + ... + 63556706.

Almost surely, 2^{28676783133900} is an apocalyptic number.

28676783133900 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 28676783133900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49036381830072).

28676783133900 is an abundant number, since it is smaller than the sum of its proper divisors (69395980526244).

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

28676783133900 is a wasteful number, since it uses less digits than its factorization.

28676783133900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 459241 (or 459231 counting only the distinct ones).

The product of its (nonzero) digits is 54867456, while the sum is 63.

The spelling of 28676783133900 in words is "twenty-eight trillion, six hundred seventy-six billion, seven hundred eighty-three million, one hundred thirty-three thousand, nine hundred".