85108690 has 16 divisors (see below), whose sum is σ = 153643392. Its totient is φ = 33943984.

The previous prime is 85108687. The next prime is 85108691. The reversal of 85108690 is 9680158.

It is a super-2 number, since 2×85108690² = 14486978227032200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (85108691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8794 + ... + 15733.

It is an arithmetic number, because the mean of its divisors is an integer number (9602712).

Almost surely, 2^85108690 is an apocalyptic number.

85108690 is a deficient number, since it is larger than the sum of its proper divisors (68534702).

85108690 is a wasteful number, since it uses less digits than its factorization.

85108690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24881.

The product of its (nonzero) digits is 17280, while the sum is 37.

The square root of 85108690 is about 9225.4371170151. The cubic root of 85108690 is about 439.8702957913.

The spelling of 85108690 in words is "eighty-five million, one hundred eight thousand, six hundred ninety".