87173652873 has 8 divisors (see below), whose sum is σ = 116290456128. Its totient is φ = 58086309104.

The previous prime is 87173652871. The next prime is 87173652893. The reversal of 87173652873 is 37825637178.

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 87173652873 - 2¹ = 87173652871 is a prime.

It is not an unprimeable number, because it can be changed into a prime (87173652871) 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 7 ways as a sum of consecutive naturals, for example, 7357965 + ... + 7369802.

It is an arithmetic number, because the mean of its divisors is an integer number (14536307016).

Almost surely, 2^87173652873 is an apocalyptic number.

It is an amenable number.

87173652873 is a deficient number, since it is larger than the sum of its proper divisors (29116803255).

87173652873 is a wasteful number, since it uses less digits than its factorization.

87173652873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14729743.

The product of its digits is 11854080, while the sum is 57.

The spelling of 87173652873 in words is "eighty-seven billion, one hundred seventy-three million, six hundred fifty-two thousand, eight hundred seventy-three".