87159197573 has 8 divisors (see below), whose sum is σ = 99612740160. Its totient is φ = 74706212160.

The previous prime is 87159197551. The next prime is 87159197597. The reversal of 87159197573 is 37579195178.

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 87159197573 - 2⁶ = 87159197509 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 (87159197513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 280118 + ... + 502776.

It is an arithmetic number, because the mean of its divisors is an integer number (12451592520).

Almost surely, 2^87159197573 is an apocalyptic number.

It is an amenable number.

87159197573 is a deficient number, since it is larger than the sum of its proper divisors (12453542587).

87159197573 is a wasteful number, since it uses less digits than its factorization.

87159197573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278587.

The product of its digits is 16669800, while the sum is 62.

The spelling of 87159197573 in words is "eighty-seven billion, one hundred fifty-nine million, one hundred ninety-seven thousand, five hundred seventy-three".