129847214587 has 8 divisors (see below), whose sum is σ = 135496802304. Its totient is φ = 124197964968.

The previous prime is 129847214561. The next prime is 129847214593. The reversal of 129847214587 is 785412748921.

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-129847214587 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (129847215587) 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, 992328 + ... + 1115530.

It is an arithmetic number, because the mean of its divisors is an integer number (16937100288).

Almost surely, 2^129847214587 is an apocalyptic number.

129847214587 is a deficient number, since it is larger than the sum of its proper divisors (5649587717).

129847214587 is a wasteful number, since it uses less digits than its factorization.

129847214587 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169049.

The product of its digits is 9031680, while the sum is 58.

The spelling of 129847214587 in words is "one hundred twenty-nine billion, eight hundred forty-seven million, two hundred fourteen thousand, five hundred eighty-seven".