87658 has 8 divisors (see below), whose sum is σ = 134820. Its totient is φ = 42720.

The previous prime is 87649. The next prime is 87671. The reversal of 87658 is 85678.

It can be written as a sum of positive squares in 2 ways, for example, as 80089 + 7569 = 283^2 + 87^2 .

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 plaindrome in base 16.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 453 + ... + 616.

2⁸⁷⁶⁵⁸ is an apocalyptic number.

87658 is a deficient number, since it is larger than the sum of its proper divisors (47162).

87658 is a wasteful number, since it uses less digits than its factorization.

87658 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1112.

The product of its digits is 13440, while the sum is 34.

The square root of 87658 is about 296.0709374457. The cubic root of 87658 is about 44.4219057017.

The spelling of 87658 in words is "eighty-seven thousand, six hundred fifty-eight".