987574740 has 24 divisors (see below), whose sum is σ = 2765209440. Its totient is φ = 263353248.

The previous prime is 987574717. The next prime is 987574741. The reversal of 987574740 is 47475789.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (987574741) 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 7 ways as a sum of consecutive naturals, for example, 8229730 + ... + 8229849.

It is an arithmetic number, because the mean of its divisors is an integer number (115217060).

Almost surely, 2^987574740 is an apocalyptic number.

It is an amenable number.

987574740 is an abundant number, since it is smaller than the sum of its proper divisors (1777634700).

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

987574740 is a wasteful number, since it uses less digits than its factorization.

987574740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16459591 (or 16459589 counting only the distinct ones).

The product of its (nonzero) digits is 1975680, while the sum is 51.

The square root of 987574740 is about 31425.7019014691. The cubic root of 987574740 is about 995.8409731425.

The spelling of 987574740 in words is "nine hundred eighty-seven million, five hundred seventy-four thousand, seven hundred forty".