987205987532 has 12 divisors (see below), whose sum is σ = 1731962144640. Its totient is φ = 492359660496.

The previous prime is 987205987519. The next prime is 987205987561. The reversal of 987205987532 is 235789502789.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 310831532 + ... + 310834707.

It is an arithmetic number, because the mean of its divisors is an integer number (144330178720).

Almost surely, 2^987205987532 is an apocalyptic number.

It is an amenable number.

987205987532 is a deficient number, since it is larger than the sum of its proper divisors (744756157108).

987205987532 is a wasteful number, since it uses less digits than its factorization.

987205987532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 621666640 (or 621666638 counting only the distinct ones).

The product of its (nonzero) digits is 76204800, while the sum is 65.

The spelling of 987205987532 in words is "nine hundred eighty-seven billion, two hundred five million, nine hundred eighty-seven thousand, five hundred thirty-two".