129677616675175 has 12 divisors (see below), whose sum is σ = 161502429158920. Its totient is φ = 103289071093920.

The previous prime is 129677616675169. The next prime is 129677616675179. The reversal of 129677616675175 is 571576616776921.

It is a happy number.

It is not a de Polignac number, because 129677616675175 - 2⁹ = 129677616674663 is a prime.

It is a super-2 number, since 2×129677616675175² (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 (129677616675179) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11325550317 + ... + 11325561766.

Almost surely, 2^{129677616675175} is an apocalyptic number.

129677616675175 is a deficient number, since it is larger than the sum of its proper divisors (31824812483745).

129677616675175 is a wasteful number, since it uses less digits than its factorization.

129677616675175 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22651112322 (or 22651112317 counting only the distinct ones).

The product of its digits is 1400263200, while the sum is 76.

The spelling of 129677616675175 in words is "one hundred twenty-nine trillion, six hundred seventy-seven billion, six hundred sixteen million, six hundred seventy-five thousand, one hundred seventy-five".