87506871 has 8 divisors (see below), whose sum is σ = 123539184. Its totient is φ = 54906240.

The previous prime is 87506851. The next prime is 87506917. The reversal of 87506871 is 17860578.

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

It is not a de Polignac number, because 87506871 - 2¹⁵ = 87474103 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87506851) 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 in 7 ways as a sum of consecutive naturals, for example, 857860 + ... + 857961.

It is an arithmetic number, because the mean of its divisors is an integer number (15442398).

Almost surely, 2^87506871 is an apocalyptic number.

87506871 is a deficient number, since it is larger than the sum of its proper divisors (36032313).

87506871 is a wasteful number, since it uses less digits than its factorization.

87506871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1715841.

The product of its (nonzero) digits is 94080, while the sum is 42.

The square root of 87506871 is about 9354.5107301237. The cubic root of 87506871 is about 443.9636211165.

The spelling of 87506871 in words is "eighty-seven million, five hundred six thousand, eight hundred seventy-one".