987284863 has 2 divisors, whose sum is σ = 987284864. Its totient is φ = 987284862.

The previous prime is 987284833. The next prime is 987284929. The reversal of 987284863 is 368482789.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 987284863 - 2⁹ = 987284351 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (987284813) 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, 493642431 + 493642432.

It is an arithmetic number, because the mean of its divisors is an integer number (493642432).

Almost surely, 2^987284863 is an apocalyptic number.

987284863 is a deficient number, since it is larger than the sum of its proper divisors (1).

987284863 is an equidigital number, since it uses as much as digits as its factorization.

987284863 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4644864, while the sum is 55.

The square root of 987284863 is about 31421.0894623341. The cubic root of 987284863 is about 995.7435291616.

The spelling of 987284863 in words is "nine hundred eighty-seven million, two hundred eighty-four thousand, eight hundred sixty-three".