987706633 has 2 divisors, whose sum is σ = 987706634. Its totient is φ = 987706632.

The previous prime is 987706619. The next prime is 987706639. The reversal of 987706633 is 336607789.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 709050384 + 278656249 = 26628^2 + 16693^2 .

It is a cyclic number.

It is not a de Polignac number, because 987706633 - 2⁹ = 987706121 is a prime.

It is not a weakly prime, because it can be changed into another prime (987706639) 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 as a sum of consecutive naturals, namely, 493853316 + 493853317.

It is an arithmetic number, because the mean of its divisors is an integer number (493853317).

Almost surely, 2^987706633 is an apocalyptic number.

It is an amenable number.

987706633 is a deficient number, since it is larger than the sum of its proper divisors (1).

987706633 is an equidigital number, since it uses as much as digits as its factorization.

987706633 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1143072, while the sum is 49.

The square root of 987706633 is about 31427.8003207351. The cubic root of 987706633 is about 995.8853034943.

The spelling of 987706633 in words is "nine hundred eighty-seven million, seven hundred six thousand, six hundred thirty-three".