987502005 has 24 divisors (see below), whose sum is σ = 1956195072. Its totient is φ = 451429344.

The previous prime is 987501979. The next prime is 987502013. The reversal of 987502005 is 500205789.

It is not a de Polignac number, because 987502005 - 2¹³ = 987493813 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 1567149 + ... + 1567778.

It is an arithmetic number, because the mean of its divisors is an integer number (81508128).

Almost surely, 2^987502005 is an apocalyptic number.

It is an amenable number.

987502005 is a deficient number, since it is larger than the sum of its proper divisors (968693067).

987502005 is a wasteful number, since it uses less digits than its factorization.

987502005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3134945 (or 3134942 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 36.

The square root of 987502005 is about 31424.5446267722. The cubic root of 987502005 is about 995.8165246059.

The spelling of 987502005 in words is "nine hundred eighty-seven million, five hundred two thousand, five".