987336263 has 4 divisors (see below), whose sum is σ = 987447120. Its totient is φ = 987225408.

The previous prime is 987336241. The next prime is 987336269. The reversal of 987336263 is 362633789.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 987336263 - 2⁶ = 987336199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (987336269) by changing a digit.

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, 40778 + ... + 60311.

It is an arithmetic number, because the mean of its divisors is an integer number (246861780).

Almost surely, 2^987336263 is an apocalyptic number.

987336263 is a deficient number, since it is larger than the sum of its proper divisors (110857).

987336263 is a wasteful number, since it uses less digits than its factorization.

987336263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110856.

The product of its digits is 979776, while the sum is 47.

The square root of 987336263 is about 31421.9073736780. The cubic root of 987336263 is about 995.7608089867.

The spelling of 987336263 in words is "nine hundred eighty-seven million, three hundred thirty-six thousand, two hundred sixty-three".