987571488 has 24 divisors (see below), whose sum is σ = 2592375408. Its totient is φ = 329190464.

The previous prime is 987571457. The next prime is 987571513. The reversal of 987571488 is 884175789.

It is a tau number, because it is divible by the number of its divisors (24).

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, 5143506 + ... + 5143697.

It is an arithmetic number, because the mean of its divisors is an integer number (108015642).

Almost surely, 2^987571488 is an apocalyptic number.

It is an amenable number.

987571488 is an abundant number, since it is smaller than the sum of its proper divisors (1604803920).

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

987571488 is a wasteful number, since it uses less digits than its factorization.

987571488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10287216 (or 10287208 counting only the distinct ones).

The product of its digits is 4515840, while the sum is 57.

The square root of 987571488 is about 31425.6501603388. The cubic root of 987571488 is about 995.8398800680.

The spelling of 987571488 in words is "nine hundred eighty-seven million, five hundred seventy-one thousand, four hundred eighty-eight".