87328143 has 24 divisors (see below), whose sum is σ = 147108000. Its totient is φ = 49900032.

The previous prime is 87328139. The next prime is 87328159. The reversal of 87328143 is 34182378.

It is not a de Polignac number, because 87328143 - 2² = 87328139 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 87328098 and 87328107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87328183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11058 + ... + 17231.

It is an arithmetic number, because the mean of its divisors is an integer number (6129500).

Almost surely, 2^87328143 is an apocalyptic number.

87328143 is a deficient number, since it is larger than the sum of its proper divisors (59779857).

87328143 is a wasteful number, since it uses less digits than its factorization.

87328143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28316 (or 28299 counting only the distinct ones).

The product of its digits is 32256, while the sum is 36.

The square root of 87328143 is about 9344.9528088696. The cubic root of 87328143 is about 443.6611579599.

The spelling of 87328143 in words is "eighty-seven million, three hundred twenty-eight thousand, one hundred forty-three".