987894233 has 2 divisors, whose sum is σ = 987894234. Its totient is φ = 987894232.

The previous prime is 987894217. The next prime is 987894241. The reversal of 987894233 is 332498789.

987894233 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 961186009 + 26708224 = 31003^2 + 5168^2 .

It is a cyclic number.

It is not a de Polignac number, because 987894233 - 2⁴ = 987894217 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (987894203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 493947116 + 493947117.

It is an arithmetic number, because the mean of its divisors is an integer number (493947117).

Almost surely, 2^987894233 is an apocalyptic number.

It is an amenable number.

987894233 is a deficient number, since it is larger than the sum of its proper divisors (1).

987894233 is an equidigital number, since it uses as much as digits as its factorization.

987894233 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2612736, while the sum is 53.

The square root of 987894233 is about 31430.7847977107. The cubic root of 987894233 is about 995.9483506412.

The spelling of 987894233 in words is "nine hundred eighty-seven million, eight hundred ninety-four thousand, two hundred thirty-three".