987540045789 has 8 divisors (see below), whose sum is σ = 1436421884832. Its totient is φ = 598509118640.

The previous prime is 987540045787. The next prime is 987540045797.

987540045789 is nontrivially palindromic in base 10.

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 987540045789 - 2¹ = 987540045787 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (987540045787) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14962727934 + ... + 14962727999.

It is an arithmetic number, because the mean of its divisors is an integer number (179552735604).

Almost surely, 2^987540045789 is an apocalyptic number.

It is an amenable number.

987540045789 is a deficient number, since it is larger than the sum of its proper divisors (448881839043).

987540045789 is a wasteful number, since it uses less digits than its factorization.

987540045789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29925455947.

The product of its (nonzero) digits is 101606400, while the sum is 66.

The spelling of 987540045789 in words is "nine hundred eighty-seven billion, five hundred forty million, forty-five thousand, seven hundred eighty-nine".