85108357 has 4 divisors (see below), whose sum is σ = 85951116. Its totient is φ = 84265600.

The previous prime is 85108351. The next prime is 85108367. The reversal of 85108357 is 75380158.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 65270241 + 19838116 = 8079^2 + 4454^2 .

It is a cyclic number.

It is not a de Polignac number, because 85108357 - 2⁷ = 85108229 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85108351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 421228 + ... + 421429.

It is an arithmetic number, because the mean of its divisors is an integer number (21487779).

Almost surely, 2^85108357 is an apocalyptic number.

It is an amenable number.

85108357 is a deficient number, since it is larger than the sum of its proper divisors (842759).

85108357 is a wasteful number, since it uses less digits than its factorization.

85108357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 842758.

The product of its (nonzero) digits is 33600, while the sum is 37.

The square root of 85108357 is about 9225.4190690721. The cubic root of 85108357 is about 439.8697221053.

The spelling of 85108357 in words is "eighty-five million, one hundred eight thousand, three hundred fifty-seven".