987271543 has 8 divisors (see below), whose sum is σ = 1001717280. Its totient is φ = 972840960.

The previous prime is 987271541. The next prime is 987271553. The reversal of 987271543 is 345172789.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 987271543 - 2¹ = 987271541 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 987271493 and 987271502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (987271541) 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 in 7 ways as a sum of consecutive naturals, for example, 234271 + ... + 238447.

It is an arithmetic number, because the mean of its divisors is an integer number (125214660).

Almost surely, 2^987271543 is an apocalyptic number.

987271543 is a deficient number, since it is larger than the sum of its proper divisors (14445737).

987271543 is a wasteful number, since it uses less digits than its factorization.

987271543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7577.

The product of its digits is 423360, while the sum is 46.

The square root of 987271543 is about 31420.8775020686. The cubic root of 987271543 is about 995.7390511013.

The spelling of 987271543 in words is "nine hundred eighty-seven million, two hundred seventy-one thousand, five hundred forty-three".