987458233 has 2 divisors, whose sum is σ = 987458234. Its totient is φ = 987458232.

The previous prime is 987458137. The next prime is 987458237. The reversal of 987458233 is 332854789.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 778019449 + 209438784 = 27893^2 + 14472^2 .

It is a cyclic number.

It is not a de Polignac number, because 987458233 - 2²⁵ = 953903801 is a prime.

It is not a weakly prime, because it can be changed into another prime (987458237) 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, 493729116 + 493729117.

It is an arithmetic number, because the mean of its divisors is an integer number (493729117).

Almost surely, 2^987458233 is an apocalyptic number.

It is an amenable number.

987458233 is a deficient number, since it is larger than the sum of its proper divisors (1).

987458233 is an equidigital number, since it uses as much as digits as its factorization.

987458233 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1451520, while the sum is 49.

The square root of 987458233 is about 31423.8481570924. The cubic root of 987458233 is about 995.8018108721.

The spelling of 987458233 in words is "nine hundred eighty-seven million, four hundred fifty-eight thousand, two hundred thirty-three".