87830 has 8 divisors (see below), whose sum is σ = 158112. Its totient is φ = 35128.

The previous prime is 87811. The next prime is 87833. The reversal of 87830 is 3878.

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

It is an alternating number because its digits alternate between even and odd.

It is a self number, because there is not a number n which added to its sum of digits gives 87830.

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 87830.

It is not an unprimeable number, because it can be changed into a prime (87833) 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, 4382 + ... + 4401.

It is an arithmetic number, because the mean of its divisors is an integer number (19764).

2⁸⁷⁸³⁰ is an apocalyptic number.

87830 is a deficient number, since it is larger than the sum of its proper divisors (70282).

87830 is a wasteful number, since it uses less digits than its factorization.

87830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8790.

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 87830 is about 296.3612660251. The cubic root of 87830 is about 44.4509411799.

The spelling of 87830 in words is "eighty-seven thousand, eight hundred thirty".