127701736897 has 8 divisors (see below), whose sum is σ = 146013153536. Its totient is φ = 109407398112.

The previous prime is 127701736837. The next prime is 127701736927. The reversal of 127701736897 is 798637107721.

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 a de Polignac number, because none of the positive numbers 2^k-127701736897 is a prime.

It is a super-2 number, since 2×127701736897² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (127701736837) 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, 4253433 + ... + 4283350.

It is an arithmetic number, because the mean of its divisors is an integer number (18251644192).

Almost surely, 2^127701736897 is an apocalyptic number.

It is an amenable number.

127701736897 is a deficient number, since it is larger than the sum of its proper divisors (18311416639).

127701736897 is an equidigital number, since it uses as much as digits as its factorization.

127701736897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8538927.

The product of its (nonzero) digits is 6223392, while the sum is 58.

The spelling of 127701736897 in words is "one hundred twenty-seven billion, seven hundred one million, seven hundred thirty-six thousand, eight hundred ninety-seven".