87170027175 has 120 divisors (see below), whose sum is σ = 201312388992. Its totient is φ = 36226440000.

The previous prime is 87170027159. The next prime is 87170027239. The reversal of 87170027175 is 57172007178.

It is a happy number.

It is not a de Polignac number, because 87170027175 - 2⁴ = 87170027159 is a prime.

It is a super-2 number, since 2×87170027175² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 87170027175.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 123601 + ... + 435450.

Almost surely, 2^87170027175 is an apocalyptic number.

87170027175 is an abundant number, since it is smaller than the sum of its proper divisors (114142361817).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

87170027175 is a wasteful number, since it uses less digits than its factorization.

87170027175 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 559091 (or 559077 counting only the distinct ones).

The product of its (nonzero) digits is 192080, while the sum is 45.

The spelling of 87170027175 in words is "eighty-seven billion, one hundred seventy million, twenty-seven thousand, one hundred seventy-five".