87175165113 has 32 divisors (see below), whose sum is σ = 137999980800. Its totient is φ = 54196293888.

The previous prime is 87175165111. The next prime is 87175165123. The reversal of 87175165113 is 31156157178.

87175165113 is a `hidden beast` number, since 8 + 7 + 17 + 516 + 5 + 113 = 666.

It is not a de Polignac number, because 87175165113 - 2¹ = 87175165111 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (87175165111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 821181 + ... + 921242.

It is an arithmetic number, because the mean of its divisors is an integer number (4312499400).

Almost surely, 2^87175165113 is an apocalyptic number.

It is an amenable number.

87175165113 is a deficient number, since it is larger than the sum of its proper divisors (50824815687).

87175165113 is a wasteful number, since it uses less digits than its factorization.

87175165113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1742558 (or 1742552 counting only the distinct ones).

The product of its digits is 176400, while the sum is 45.

The spelling of 87175165113 in words is "eighty-seven billion, one hundred seventy-five million, one hundred sixty-five thousand, one hundred thirteen".