87163285 has 16 divisors (see below), whose sum is σ = 114400512. Its totient is φ = 63227200.

The previous prime is 87163273. The next prime is 87163331. The reversal of 87163285 is 58236178.

It is not a de Polignac number, because 87163285 - 2¹³ = 87155093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21867 + ... + 25543.

It is an arithmetic number, because the mean of its divisors is an integer number (7150032).

Almost surely, 2^87163285 is an apocalyptic number.

It is an amenable number.

87163285 is a deficient number, since it is larger than the sum of its proper divisors (27237227).

87163285 is a wasteful number, since it uses less digits than its factorization.

87163285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4124.

The product of its digits is 80640, while the sum is 40.

The square root of 87163285 is about 9336.1279447103. The cubic root of 87163285 is about 443.3818010339.

The spelling of 87163285 in words is "eighty-seven million, one hundred sixty-three thousand, two hundred eighty-five".