87108487 has 4 divisors (see below), whose sum is σ = 87392536. Its totient is φ = 86824440.

The previous prime is 87108479. The next prime is 87108499. The reversal of 87108487 is 78480178.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 87108487 - 2³ = 87108479 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87108587) 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 3 ways as a sum of consecutive naturals, for example, 141564 + ... + 142177.

It is an arithmetic number, because the mean of its divisors is an integer number (21848134).

Almost surely, 2^87108487 is an apocalyptic number.

87108487 is a deficient number, since it is larger than the sum of its proper divisors (284049).

87108487 is a wasteful number, since it uses less digits than its factorization.

87108487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284048.

The product of its (nonzero) digits is 100352, while the sum is 43.

The square root of 87108487 is about 9333.1927548937. The cubic root of 87108487 is about 443.2888661501.

The spelling of 87108487 in words is "eighty-seven million, one hundred eight thousand, four hundred eighty-seven".