987041549 has 16 divisors (see below), whose sum is σ = 1087680384. Its totient is φ = 890136000.

The previous prime is 987041513. The next prime is 987041551. The reversal of 987041549 is 945140789.

It is a de Polignac number, because none of the positive numbers 2^k-987041549 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 (987041599) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 115622 + ... + 123864.

It is an arithmetic number, because the mean of its divisors is an integer number (67980024).

Almost surely, 2^987041549 is an apocalyptic number.

It is an amenable number.

987041549 is a deficient number, since it is larger than the sum of its proper divisors (100638835).

987041549 is a wasteful number, since it uses less digits than its factorization.

987041549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8468.

The product of its (nonzero) digits is 362880, while the sum is 47.

The square root of 987041549 is about 31417.2173974717. The cubic root of 987041549 is about 995.6617229015.

The spelling of 987041549 in words is "nine hundred eighty-seven million, forty-one thousand, five hundred forty-nine".