27000417128 has 32 divisors (see below), whose sum is σ = 51282912000. Its totient is φ = 13325083200.

The previous prime is 27000417121. The next prime is 27000417131. The reversal of 27000417128 is 82171400072.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 27000417094 and 27000417103.

It is not an unprimeable number, because it can be changed into a prime (27000417121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3124718 + ... + 3133346.

It is an arithmetic number, because the mean of its divisors is an integer number (1602591000).

Almost surely, 2^27000417128 is an apocalyptic number.

It is an amenable number.

27000417128 is a deficient number, since it is larger than the sum of its proper divisors (24282494872).

27000417128 is a wasteful number, since it uses less digits than its factorization.

27000417128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13665 (or 13661 counting only the distinct ones).

The product of its (nonzero) digits is 6272, while the sum is 32.

The spelling of 27000417128 in words is "twenty-seven billion, four hundred seventeen thousand, one hundred twenty-eight".