85155158 has 8 divisors (see below), whose sum is σ = 139344840. Its totient is φ = 38706880.

The previous prime is 85155149. The next prime is 85155197.

It is a happy number.

85155158 is nontrivially palindromic in base 10.

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

It is a congruent number.

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, 1935323 + ... + 1935366.

It is an arithmetic number, because the mean of its divisors is an integer number (17418105).

Almost surely, 2^85155158 is an apocalyptic number.

85155158 is a deficient number, since it is larger than the sum of its proper divisors (54189682).

85155158 is a wasteful number, since it uses less digits than its factorization.

85155158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3870702.

The product of its digits is 40000, while the sum is 38.

The square root of 85155158 is about 9227.9552447983. The cubic root of 85155158 is about 439.9503353034.

The spelling of 85155158 in words is "eighty-five million, one hundred fifty-five thousand, one hundred fifty-eight".