127718674817 has 8 divisors (see below), whose sum is σ = 128206968480. Its totient is φ = 127230621280.

The previous prime is 127718674813. The next prime is 127718674921. The reversal of 127718674817 is 718476817721.

It is a happy number.

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 127718674817 - 2² = 127718674813 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (127718674813) 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, 1044434 + ... + 1160292.

It is an arithmetic number, because the mean of its divisors is an integer number (16025871060).

Almost surely, 2^127718674817 is an apocalyptic number.

It is an amenable number.

127718674817 is a deficient number, since it is larger than the sum of its proper divisors (488293663).

127718674817 is a wasteful number, since it uses less digits than its factorization.

127718674817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120063.

The product of its digits is 7375872, while the sum is 59.

The spelling of 127718674817 in words is "one hundred twenty-seven billion, seven hundred eighteen million, six hundred seventy-four thousand, eight hundred seventeen".