987151568 has 20 divisors (see below), whose sum is σ = 2059730148. Its totient is φ = 455608320.

The previous prime is 987151567. The next prime is 987151573. The reversal of 987151568 is 865151789.

It can be written as a sum of positive squares in 2 ways, for example, as 332405824 + 654745744 = 18232^2 + 25588^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (987151567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2372753 + ... + 2373168.

Almost surely, 2^987151568 is an apocalyptic number.

It is an amenable number.

987151568 is an abundant number, since it is smaller than the sum of its proper divisors (1072578580).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

987151568 is a wasteful number, since it uses less digits than its factorization.

987151568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4745942 (or 4745936 counting only the distinct ones).

The product of its digits is 604800, while the sum is 50.

The square root of 987151568 is about 31418.9682835067. The cubic root of 987151568 is about 995.6987148051.

The spelling of 987151568 in words is "nine hundred eighty-seven million, one hundred fifty-one thousand, five hundred sixty-eight".