987687496 has 16 divisors (see below), whose sum is σ = 1853048700. Its totient is φ = 493541184.

The previous prime is 987687487. The next prime is 987687517. The reversal of 987687496 is 694786789.

It can be written as a sum of positive squares in 2 ways, for example, as 969076900 + 18610596 = 31130^2 + 4314^2 .

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 3 ways as a sum of consecutive naturals, for example, 23635 + ... + 50338.

Almost surely, 2^987687496 is an apocalyptic number.

It is an amenable number.

987687496 is a deficient number, since it is larger than the sum of its proper divisors (865361204).

987687496 is a wasteful number, since it uses less digits than its factorization.

987687496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75648 (or 75644 counting only the distinct ones).

The product of its digits is 36578304, while the sum is 64.

The square root of 987687496 is about 31427.4958595177. The cubic root of 987687496 is about 995.8788716316.

The spelling of 987687496 in words is "nine hundred eighty-seven million, six hundred eighty-seven thousand, four hundred ninety-six".