27021118317 has 8 divisors (see below), whose sum is σ = 36794714496. Its totient is φ = 17630800512.

The previous prime is 27021118309. The next prime is 27021118331. The reversal of 27021118317 is 71381112072.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 27021118317 - 2³ = 27021118309 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27021118307) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95819428 + ... + 95819709.

It is an arithmetic number, because the mean of its divisors is an integer number (4599339312).

Almost surely, 2^27021118317 is an apocalyptic number.

It is an amenable number.

27021118317 is a deficient number, since it is larger than the sum of its proper divisors (9773596179).

27021118317 is a wasteful number, since it uses less digits than its factorization.

27021118317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191639187.

The product of its (nonzero) digits is 4704, while the sum is 33.

The spelling of 27021118317 in words is "twenty-seven billion, twenty-one million, one hundred eighteen thousand, three hundred seventeen".