87958 has 16 divisors (see below), whose sum is σ = 151200. Its totient is φ = 38016.

The previous prime is 87943. The next prime is 87959. The reversal of 87958 is 85978.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87959) by changing a digit.

87958 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 343 + ... + 541.

It is an arithmetic number, because the mean of its divisors is an integer number (9450).

2⁸⁷⁹⁵⁸ is an apocalyptic number.

87958 is a deficient number, since it is larger than the sum of its proper divisors (63242).

87958 is a wasteful number, since it uses less digits than its factorization.

87958 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231.

The product of its digits is 20160, while the sum is 37.

The square root of 87958 is about 296.5771400496. The cubic root of 87958 is about 44.4725243850.

The spelling of 87958 in words is "eighty-seven thousand, nine hundred fifty-eight".