85181358 has 8 divisors (see below), whose sum is σ = 170362728. Its totient is φ = 28393784.

The previous prime is 85181357. The next prime is 85181413. The reversal of 85181358 is 85318158.

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

85181358 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85181357) 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, 7098441 + ... + 7098452.

It is an arithmetic number, because the mean of its divisors is an integer number (21295341).

Almost surely, 2^85181358 is an apocalyptic number.

85181358 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85181358 is a wasteful number, since it uses less digits than its factorization.

85181358 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14196898.

The product of its digits is 38400, while the sum is 39.

The square root of 85181358 is about 9229.3747350511. The cubic root of 85181358 is about 439.9954510549.

The spelling of 85181358 in words is "eighty-five million, one hundred eighty-one thousand, three hundred fifty-eight".