87193 has 8 divisors (see below), whose sum is σ = 96768. Its totient is φ = 78144.

The previous prime is 87187. The next prime is 87211. The reversal of 87193 is 39178.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-87193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 280 + ... + 502.

It is an arithmetic number, because the mean of its divisors is an integer number (12096).

2⁸⁷¹⁹³ is an apocalyptic number.

It is an amenable number.

87193 is a deficient number, since it is larger than the sum of its proper divisors (9575).

87193 is a wasteful number, since it uses less digits than its factorization.

87193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263.

The product of its digits is 1512, while the sum is 28.

The square root of 87193 is about 295.2846084712. The cubic root of 87193 is about 44.3432180018.

It can be divided in two parts, 871 and 93, that multiplied together give a triangular number (81003 = T₄₀₂).

The spelling of 87193 in words is "eighty-seven thousand, one hundred ninety-three".