987457754789 has 16 divisors (see below), whose sum is σ = 1092540234240. Its totient is φ = 884973870960.

The previous prime is 987457754783. The next prime is 987457754797.

987457754789 is nontrivially palindromic in base 10.

987457754789 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 987457754789 - 2¹² = 987457750693 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 (987457754783) 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, 731609 + ... + 1584350.

It is an arithmetic number, because the mean of its divisors is an integer number (68283764640).

Almost surely, 2^987457754789 is an apocalyptic number.

It is an amenable number.

987457754789 is a deficient number, since it is larger than the sum of its proper divisors (105082479451).

987457754789 is a wasteful number, since it uses less digits than its factorization.

987457754789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2316520.

The product of its digits is 4978713600, while the sum is 80.

The spelling of 987457754789 in words is "nine hundred eighty-seven billion, four hundred fifty-seven million, seven hundred fifty-four thousand, seven hundred eighty-nine".