987868373 has 2 divisors, whose sum is σ = 987868374. Its totient is φ = 987868372.

The previous prime is 987868367. The next prime is 987868381. The reversal of 987868373 is 373868789.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 515153809 + 472714564 = 22697^2 + 21742^2 .

It is a cyclic number.

It is not a de Polignac number, because 987868373 - 2⁸ = 987868117 is a prime.

It is a super-3 number, since 3×987868373³ (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 (987868313) 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, 493934186 + 493934187.

It is an arithmetic number, because the mean of its divisors is an integer number (493934187).

Almost surely, 2^987868373 is an apocalyptic number.

It is an amenable number.

987868373 is a deficient number, since it is larger than the sum of its proper divisors (1).

987868373 is an equidigital number, since it uses as much as digits as its factorization.

987868373 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12192768, while the sum is 59.

The square root of 987868373 is about 31430.3734148992. The cubic root of 987868373 is about 995.9396602882.

The spelling of 987868373 in words is "nine hundred eighty-seven million, eight hundred sixty-eight thousand, three hundred seventy-three".