987534287 has 2 divisors, whose sum is σ = 987534288. Its totient is φ = 987534286.

The previous prime is 987534283. The next prime is 987534311. The reversal of 987534287 is 782435789.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 987534287 - 2² = 987534283 is a prime.

It is a super-3 number, since 3×987534287³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (987534281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 493767143 + 493767144.

It is an arithmetic number, because the mean of its divisors is an integer number (493767144).

Almost surely, 2^987534287 is an apocalyptic number.

987534287 is a deficient number, since it is larger than the sum of its proper divisors (1).

987534287 is an equidigital number, since it uses as much as digits as its factorization.

987534287 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3386880, while the sum is 53.

The square root of 987534287 is about 31425.0582656580. The cubic root of 987534287 is about 995.8273757565.

The spelling of 987534287 in words is "nine hundred eighty-seven million, five hundred thirty-four thousand, two hundred eighty-seven".