87103539 has 16 divisors (see below), whose sum is σ = 131479200. Its totient is φ = 56972448.

The previous prime is 87103517. The next prime is 87103561. The reversal of 87103539 is 93530178.

It is an interprime number because it is at equal distance from previous prime (87103517) and next prime (87103561).

It is not a de Polignac number, because 87103539 - 2¹⁵ = 87070771 is a prime.

It is not an unprimeable number, because it can be changed into a prime (87103039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29004 + ... + 31865.

It is an arithmetic number, because the mean of its divisors is an integer number (8217450).

Almost surely, 2^87103539 is an apocalyptic number.

87103539 is a deficient number, since it is larger than the sum of its proper divisors (44375661).

87103539 is a wasteful number, since it uses less digits than its factorization.

87103539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60931 (or 60925 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 36.

The square root of 87103539 is about 9332.9276757082. The cubic root of 87103539 is about 443.2804726517.

The spelling of 87103539 in words is "eighty-seven million, one hundred three thousand, five hundred thirty-nine".