127661159807 has 16 divisors (see below), whose sum is σ = 134921529792. Its totient is φ = 120549580800.

The previous prime is 127661159797. The next prime is 127661159833. The reversal of 127661159807 is 708951166721.

It is a cyclic number.

It is not a de Polignac number, because 127661159807 - 2¹² = 127661155711 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 (127661159867) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 823283 + ... + 965979.

It is an arithmetic number, because the mean of its divisors is an integer number (8432595612).

Almost surely, 2^127661159807 is an apocalyptic number.

127661159807 is a deficient number, since it is larger than the sum of its proper divisors (7260369985).

127661159807 is a wasteful number, since it uses less digits than its factorization.

127661159807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143218.

The product of its (nonzero) digits is 1270080, while the sum is 53.

The spelling of 127661159807 in words is "one hundred twenty-seven billion, six hundred sixty-one million, one hundred fifty-nine thousand, eight hundred seven".