87455 has 4 divisors (see below), whose sum is σ = 104952. Its totient is φ = 69960.

The previous prime is 87443. The next prime is 87473. The reversal of 87455 is 55478.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 55478 = 2 ⋅27739.

It is a de Polignac number, because none of the positive numbers 2^k-87455 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8741 + ... + 8750.

It is an arithmetic number, because the mean of its divisors is an integer number (26238).

2⁸⁷⁴⁵⁵ is an apocalyptic number.

87455 is a deficient number, since it is larger than the sum of its proper divisors (17497).

87455 is a wasteful number, since it uses less digits than its factorization.

87455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17496.

The product of its digits is 5600, while the sum is 29.

The square root of 87455 is about 295.7279154899. The cubic root of 87455 is about 44.3875881764.

It can be divided in two parts, 874 and 55, that added together give a palindrome (929).

The spelling of 87455 in words is "eighty-seven thousand, four hundred fifty-five".