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88087 = 591493
BaseRepresentation
bin10101100000010111
311110211111
4111200113
510304322
61515451
7514546
oct254027
9143744
1088087
11601aa
1242b87
133112c
142415d
151b177
hex15817

88087 has 4 divisors (see below), whose sum is σ = 89640. Its totient is φ = 86536.

The previous prime is 88079. The next prime is 88093. The reversal of 88087 is 78088.

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 88087 - 23 = 88079 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 688 + ... + 805.

It is an arithmetic number, because the mean of its divisors is an integer number (22410).

288087 is an apocalyptic number.

88087 is a deficient number, since it is larger than the sum of its proper divisors (1553).

88087 is a wasteful number, since it uses less digits than its factorization.

88087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1552.

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

The square root of 88087 is about 296.7945417288. The cubic root of 88087 is about 44.4942550341.

Subtracting from 88087 its reverse (78088), we obtain a palindrome (9999).

The spelling of 88087 in words is "eighty-eight thousand, eighty-seven".

Divisors: 1 59 1493 88087