28000984147137 has 32 divisors (see below), whose sum is σ = 42495264120960. Its totient is φ = 18211788368640.

The previous prime is 28000984147109. The next prime is 28000984147151. The reversal of 28000984147137 is 73174148900082.

28000984147137 is a `hidden beast` number, since 2 + 8 + 0 + 0 + 0 + 98 + 414 + 7 + 137 = 666.

It is not a de Polignac number, because 28000984147137 - 2⁷ = 28000984147009 is a prime.

It is a super-2 number, since 2×28000984147137² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (28000984147187) 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, 143355213 + ... + 143550405.

It is an arithmetic number, because the mean of its divisors is an integer number (1327977003780).

Almost surely, 2^{28000984147137} is an apocalyptic number.

28000984147137 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

28000984147137 is a deficient number, since it is larger than the sum of its proper divisors (14494279973823).

28000984147137 is a wasteful number, since it uses less digits than its factorization.

28000984147137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324830 (or 324824 counting only the distinct ones).

The product of its (nonzero) digits is 2709504, while the sum is 54.

The spelling of 28000984147137 in words is "twenty-eight trillion, nine hundred eighty-four million, one hundred forty-seven thousand, one hundred thirty-seven".