987541617 has 8 divisors (see below), whose sum is σ = 1316964096. Its totient is φ = 658240112.

The previous prime is 987541601. The next prime is 987541631. The reversal of 987541617 is 716145789.

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 987541617 - 2⁴ = 987541601 is a prime.

It is not an unprimeable number, because it can be changed into a prime (987541657) 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, 9078 + ... + 45359.

It is an arithmetic number, because the mean of its divisors is an integer number (164620512).

Almost surely, 2^987541617 is an apocalyptic number.

It is an amenable number.

987541617 is a deficient number, since it is larger than the sum of its proper divisors (329422479).

987541617 is a wasteful number, since it uses less digits than its factorization.

987541617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60487.

The product of its digits is 423360, while the sum is 48.

The square root of 987541617 is about 31425.1748921148. The cubic root of 987541617 is about 995.8298396023.

The spelling of 987541617 in words is "nine hundred eighty-seven million, five hundred forty-one thousand, six hundred seventeen".