85909794 has 16 divisors (see below), whose sum is σ = 171987840. Its totient is φ = 28608560.

The previous prime is 85909793. The next prime is 85909847. The reversal of 85909794 is 49790958.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (85909793) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 199 + ... + 13109.

It is an arithmetic number, because the mean of its divisors is an integer number (10749240).

Almost surely, 2^85909794 is an apocalyptic number.

85909794 is an abundant number, since it is smaller than the sum of its proper divisors (86078046).

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

85909794 is a wasteful number, since it uses less digits than its factorization.

85909794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14025.

The product of its (nonzero) digits is 816480, while the sum is 51.

The square root of 85909794 is about 9268.7536378954. The cubic root of 85909794 is about 441.2461129004.

The spelling of 85909794 in words is "eighty-five million, nine hundred nine thousand, seven hundred ninety-four".