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86807 = 712401
BaseRepresentation
bin10101001100010111
311102002002
4111030113
510234212
61505515
7511040
oct251427
9142062
1086807
115a246
124229b
1330686
14238c7
151aac2
hex15317

86807 has 4 divisors (see below), whose sum is σ = 99216. Its totient is φ = 74400.

The previous prime is 86783. The next prime is 86813. The reversal of 86807 is 70868.

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 86807 - 26 = 86743 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 86807.

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 86807.

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 3 ways as a sum of consecutive naturals, for example, 6194 + ... + 6207.

It is an arithmetic number, because the mean of its divisors is an integer number (24804).

286807 is an apocalyptic number.

86807 is a deficient number, since it is larger than the sum of its proper divisors (12409).

86807 is a wasteful number, since it uses less digits than its factorization.

86807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12408.

The product of its (nonzero) digits is 2688, while the sum is 29.

The square root of 86807 is about 294.6302767877. The cubic root of 86807 is about 44.2776859734.

The spelling of 86807 in words is "eighty-six thousand, eight hundred seven".

Divisors: 1 7 12401 86807