587215116861 has 8 divisors (see below), whose sum is σ = 783007741824. Its totient is φ = 391449618240.

The previous prime is 587215116823. The next prime is 587215116893. The reversal of 587215116861 is 168611512785.

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

It is not a de Polignac number, because 587215116861 - 2¹⁷ = 587214985789 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (587215116361) 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, 6731020 + ... + 6817701.

It is an arithmetic number, because the mean of its divisors is an integer number (97875967728).

Almost surely, 2^587215116861 is an apocalyptic number.

It is an amenable number.

587215116861 is a deficient number, since it is larger than the sum of its proper divisors (195792624963).

587215116861 is a wasteful number, since it uses less digits than its factorization.

587215116861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13563171.

The product of its digits is 806400, while the sum is 51.

The spelling of 587215116861 in words is "five hundred eighty-seven billion, two hundred fifteen million, one hundred sixteen thousand, eight hundred sixty-one".