28132133047227 has 32 divisors (see below), whose sum is σ = 47859024864000. Its totient is φ = 16152420885120.

The previous prime is 28132133047201. The next prime is 28132133047243. The reversal of 28132133047227 is 72274033123182.

28132133047227 is a `hidden beast` number, since 2 + 8 + 132 + 13 + 30 + 472 + 2 + 7 = 666.

It is not a de Polignac number, because 28132133047227 - 2⁶ = 28132133047163 is a prime.

It is a super-2 number, since 2×28132133047227² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (28132133047297) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2492651902 + ... + 2492663187.

It is an arithmetic number, because the mean of its divisors is an integer number (1495594527000).

Almost surely, 2^{28132133047227} is an apocalyptic number.

28132133047227 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

28132133047227 is a deficient number, since it is larger than the sum of its proper divisors (19726891816773).

28132133047227 is a wasteful number, since it uses less digits than its factorization.

28132133047227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4985315128 (or 4985315122 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 45.

The spelling of 28132133047227 in words is "twenty-eight trillion, one hundred thirty-two billion, one hundred thirty-three million, forty-seven thousand, two hundred twenty-seven".