87108263 has 6 divisors (see below), whose sum is σ = 95747232. Its totient is φ = 79189220.

The previous prime is 87108253. The next prime is 87108269. The reversal of 87108263 is 36280178.

It is not a de Polignac number, because 87108263 - 2⁴ = 87108247 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 (87108269) 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 5 ways as a sum of consecutive naturals, for example, 359831 + ... + 360072.

It is an arithmetic number, because the mean of its divisors is an integer number (15957872).

Almost surely, 2^87108263 is an apocalyptic number.

87108263 is a deficient number, since it is larger than the sum of its proper divisors (8638969).

87108263 is a wasteful number, since it uses less digits than its factorization.

87108263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 719925 (or 719914 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 87108263 is about 9333.1807547052. The cubic root of 87108263 is about 443.2884861765.

The spelling of 87108263 in words is "eighty-seven million, one hundred eight thousand, two hundred sixty-three".