87436255 has 4 divisors (see below), whose sum is σ = 104923512. Its totient is φ = 69949000.

The previous prime is 87436249. The next prime is 87436259. The reversal of 87436255 is 55263478.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 55263478 = 2 ⋅27631739.

It is not a de Polignac number, because 87436255 - 2⁷ = 87436127 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87436259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8743621 + ... + 8743630.

It is an arithmetic number, because the mean of its divisors is an integer number (26230878).

Almost surely, 2^87436255 is an apocalyptic number.

87436255 is a deficient number, since it is larger than the sum of its proper divisors (17487257).

87436255 is a wasteful number, since it uses less digits than its factorization.

87436255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17487256.

The product of its digits is 201600, while the sum is 40.

The square root of 87436255 is about 9350.7355325664. The cubic root of 87436255 is about 443.8441662224.

The spelling of 87436255 in words is "eighty-seven million, four hundred thirty-six thousand, two hundred fifty-five".