127999607484671 has 8 divisors (see below), whose sum is σ = 138897988628784. Its totient is φ = 117251548839360.

The previous prime is 127999607484667. The next prime is 127999607484677. The reversal of 127999607484671 is 176484706999721.

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

It is not a de Polignac number, because 127999607484671 - 2² = 127999607484667 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 (127999607484677) 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, 37580622926 + ... + 37580626331.

It is an arithmetic number, because the mean of its divisors is an integer number (17362248578598).

Almost surely, 2^{127999607484671} is an apocalyptic number.

127999607484671 is a deficient number, since it is larger than the sum of its proper divisors (10898381144113).

127999607484671 is a wasteful number, since it uses less digits than its factorization.

127999607484671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75161249401.

The product of its (nonzero) digits is 2304433152, while the sum is 80.

The spelling of 127999607484671 in words is "one hundred twenty-seven trillion, nine hundred ninety-nine billion, six hundred seven million, four hundred eighty-four thousand, six hundred seventy-one".