80887 has 4 divisors (see below), whose sum is σ = 82656. Its totient is φ = 79120.

The previous prime is 80863. The next prime is 80897. The reversal of 80887 is 78808.

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 80887 - 2¹¹ = 78839 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 (80897) 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, 814 + ... + 907.

It is an arithmetic number, because the mean of its divisors is an integer number (20664).

2⁸⁰⁸⁸⁷ is an apocalyptic number.

80887 is a deficient number, since it is larger than the sum of its proper divisors (1769).

80887 is a wasteful number, since it uses less digits than its factorization.

80887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1768.

The product of its (nonzero) digits is 3584, while the sum is 31.

The square root of 80887 is about 284.4063993654. The cubic root of 80887 is about 43.2473574738.

It can be divided in two parts, 8088 and 7, that multiplied together give a triangular number (56616 = T₃₃₆).

The spelling of 80887 in words is "eighty thousand, eight hundred eighty-seven".