87109255 has 4 divisors (see below), whose sum is σ = 104531112. Its totient is φ = 69687400.

The previous prime is 87109249. The next prime is 87109259. The reversal of 87109255 is 55290178.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 55290178 = 2 ⋅27645089.

It is not a de Polignac number, because 87109255 - 2⁵ = 87109223 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 (87109259) 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, 8710921 + ... + 8710930.

It is an arithmetic number, because the mean of its divisors is an integer number (26132778).

Almost surely, 2^87109255 is an apocalyptic number.

87109255 is a deficient number, since it is larger than the sum of its proper divisors (17421857).

87109255 is a wasteful number, since it uses less digits than its factorization.

87109255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17421856.

The product of its (nonzero) digits is 25200, while the sum is 37.

The square root of 87109255 is about 9333.2338982798. The cubic root of 87109255 is about 443.2901689120.

The spelling of 87109255 in words is "eighty-seven million, one hundred nine thousand, two hundred fifty-five".