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86887 = 1719269
BaseRepresentation
bin10101001101100111
311102012001
4111031213
510240022
61510131
7511213
oct251547
9142161
1086887
115a309
1242347
1330718
1423943
151ab27
hex15367

86887 has 8 divisors (see below), whose sum is σ = 97200. Its totient is φ = 77184.

The previous prime is 86869. The next prime is 86923. The reversal of 86887 is 78868.

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 2k-86887 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 (86837) 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, 189 + ... + 457.

It is an arithmetic number, because the mean of its divisors is an integer number (12150).

286887 is an apocalyptic number.

86887 is a deficient number, since it is larger than the sum of its proper divisors (10313).

86887 is a wasteful number, since it uses less digits than its factorization.

86887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305.

The product of its digits is 21504, while the sum is 37.

The square root of 86887 is about 294.7660088952. The cubic root of 86887 is about 44.2912836760.

The spelling of 86887 in words is "eighty-six thousand, eight hundred eighty-seven".

Divisors: 1 17 19 269 323 4573 5111 86887