987654359 has 2 divisors, whose sum is σ = 987654360. Its totient is φ = 987654358.

The previous prime is 987654347. The next prime is 987654361. The reversal of 987654359 is 953456789.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 987654359 - 2⁸ = 987654103 is a prime.

It is a super-2 number, since 2×987654359² = 1950922265703401762, which contains 22 as substring.

Together with 987654361, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (987654319) 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, 493827179 + 493827180.

It is an arithmetic number, because the mean of its divisors is an integer number (493827180).

Almost surely, 2^987654359 is an apocalyptic number.

987654359 is a deficient number, since it is larger than the sum of its proper divisors (1).

987654359 is an equidigital number, since it uses as much as digits as its factorization.

987654359 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8164800, while the sum is 56.

The square root of 987654359 is about 31426.9686575082. The cubic root of 987654359 is about 995.8677342333.

The spelling of 987654359 in words is "nine hundred eighty-seven million, six hundred fifty-four thousand, three hundred fifty-nine".