87263 has 4 divisors (see below), whose sum is σ = 95208. Its totient is φ = 79320.

The previous prime is 87257. The next prime is 87277. The reversal of 87263 is 36278.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 87263 - 2¹⁰ = 86239 is a prime.

It is a super-2 number, since 2×87263² = 15229662338, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 87263.

It is not an unprimeable number, because it can be changed into a prime (87223) by changing a digit.

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, 3956 + ... + 3977.

It is an arithmetic number, because the mean of its divisors is an integer number (23802).

2⁸⁷²⁶³ is an apocalyptic number.

87263 is a deficient number, since it is larger than the sum of its proper divisors (7945).

87263 is a wasteful number, since it uses less digits than its factorization.

87263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7944.

The product of its digits is 2016, while the sum is 26.

The square root of 87263 is about 295.4031144047. The cubic root of 87263 is about 44.3550813203.

The spelling of 87263 in words is "eighty-seven thousand, two hundred sixty-three".