987543752 has 16 divisors (see below), whose sum is σ = 1994078940. Its totient is φ = 455789376.

The previous prime is 987543737. The next prime is 987543793. The reversal of 987543752 is 257345789.

It can be written as a sum of positive squares in 2 ways, for example, as 733651396 + 253892356 = 27086^2 + 15934^2 .

It is a super-2 number, since 2×987543752² = 1950485324228475008, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 987543752.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4747703 + ... + 4747910.

Almost surely, 2^987543752 is an apocalyptic number.

It is an amenable number.

987543752 is an abundant number, since it is smaller than the sum of its proper divisors (1006535188).

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

987543752 is a wasteful number, since it uses less digits than its factorization.

987543752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9495632 (or 9495628 counting only the distinct ones).

The product of its digits is 2116800, while the sum is 50.

The square root of 987543752 is about 31425.2088616766. The cubic root of 987543752 is about 995.8305572413.

The spelling of 987543752 in words is "nine hundred eighty-seven million, five hundred forty-three thousand, seven hundred fifty-two".