27404347917 has 8 divisors (see below), whose sum is σ = 36540992224. Its totient is φ = 18268634448.

The previous prime is 27404347903. The next prime is 27404347933. The reversal of 27404347917 is 71974340472.

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

It is not a de Polignac number, because 27404347917 - 2⁶ = 27404347853 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27404347987) 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, 160843 + ... + 284040.

It is an arithmetic number, because the mean of its divisors is an integer number (4567624028).

Almost surely, 2^27404347917 is an apocalyptic number.

It is an amenable number.

27404347917 is a deficient number, since it is larger than the sum of its proper divisors (9136644307).

27404347917 is a wasteful number, since it uses less digits than its factorization.

27404347917 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 465419.

The product of its (nonzero) digits is 1185408, while the sum is 48.

The spelling of 27404347917 in words is "twenty-seven billion, four hundred four million, three hundred forty-seven thousand, nine hundred seventeen".