87654893617 has 8 divisors (see below), whose sum is σ = 89311042080. Its totient is φ = 86004427680.

The previous prime is 87654893561. The next prime is 87654893663. The reversal of 87654893617 is 71639845678.

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 87654893617 - 2¹⁹ = 87654369329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87654893687) 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, 1389484 + ... + 1451197.

It is an arithmetic number, because the mean of its divisors is an integer number (11163880260).

Almost surely, 2^87654893617 is an apocalyptic number.

It is an amenable number.

87654893617 is a deficient number, since it is larger than the sum of its proper divisors (1656148463).

87654893617 is a wasteful number, since it uses less digits than its factorization.

87654893617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2841263.

The product of its digits is 60963840, while the sum is 64.

The spelling of 87654893617 in words is "eighty-seven billion, six hundred fifty-four million, eight hundred ninety-three thousand, six hundred seventeen".