128086187672607 has 8 divisors (see below), whose sum is σ = 170781707505840. Its totient is φ = 85390729810560.

The previous prime is 128086187672603. The next prime is 128086187672761. The reversal of 128086187672607 is 706276781680821.

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

It is not a de Polignac number, because 128086187672607 - 2² = 128086187672603 is a prime.

It is a super-2 number, since 2×128086187672607² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128086187672603) 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, 10434144 + ... + 19106117.

It is an arithmetic number, because the mean of its divisors is an integer number (21347713438230).

Almost surely, 2^{128086187672607} is an apocalyptic number.

128086187672607 is a deficient number, since it is larger than the sum of its proper divisors (42695519833233).

128086187672607 is a wasteful number, since it uses less digits than its factorization.

128086187672607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30985593.

The product of its (nonzero) digits is 151732224, while the sum is 69.

The spelling of 128086187672607 in words is "one hundred twenty-eight trillion, eighty-six billion, one hundred eighty-seven million, six hundred seventy-two thousand, six hundred seven".