27143477317 has 8 divisors (see below), whose sum is σ = 29615937120. Its totient is φ = 24671829360.

The previous prime is 27143477269. The next prime is 27143477341. The reversal of 27143477317 is 71377434172.

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

It is a cyclic number.

It is not a de Polignac number, because 27143477317 - 2²³ = 27135088709 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27143487317) 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, 131967 + ... + 267772.

It is an arithmetic number, because the mean of its divisors is an integer number (3701992140).

Almost surely, 2^27143477317 is an apocalyptic number.

It is an amenable number.

27143477317 is a deficient number, since it is larger than the sum of its proper divisors (2472459803).

27143477317 is a wasteful number, since it uses less digits than its factorization.

27143477317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 405923.

The product of its digits is 691488, while the sum is 46.

The spelling of 27143477317 in words is "twenty-seven billion, one hundred forty-three million, four hundred seventy-seven thousand, three hundred seventeen".