85911958 has 32 divisors (see below), whose sum is σ = 151165440. Its totient is φ = 36200160.

The previous prime is 85911953. The next prime is 85912019.

85911958 is nontrivially palindromic in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85911953) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17460 + ... + 21832.

It is an arithmetic number, because the mean of its divisors is an integer number (4723920).

Almost surely, 2^85911958 is an apocalyptic number.

85911958 is a deficient number, since it is larger than the sum of its proper divisors (65253482).

85911958 is a wasteful number, since it uses less digits than its factorization.

85911958 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4452.

The product of its digits is 129600, while the sum is 46.

The square root of 85911958 is about 9268.8703734598. The cubic root of 85911958 is about 441.2498177498.

The spelling of 85911958 in words is "eighty-five million, nine hundred eleven thousand, nine hundred fifty-eight".