87842127173 has 8 divisors (see below), whose sum is σ = 88031940000. Its totient is φ = 87652370448.

The previous prime is 87842127151. The next prime is 87842127179. The reversal of 87842127173 is 37172124878.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 87842127173 - 2⁸ = 87842126917 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 (87842127179) 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, 5015690 + ... + 5033172.

It is an arithmetic number, because the mean of its divisors is an integer number (11003992500).

Almost surely, 2^87842127173 is an apocalyptic number.

It is an amenable number.

87842127173 is a deficient number, since it is larger than the sum of its proper divisors (189812827).

87842127173 is a wasteful number, since it uses less digits than its factorization.

87842127173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28051.

The product of its digits is 1053696, while the sum is 50.

The spelling of 87842127173 in words is "eighty-seven billion, eight hundred forty-two million, one hundred twenty-seven thousand, one hundred seventy-three".