85709874 has 16 divisors (see below), whose sum is σ = 180442080. Its totient is φ = 27066240.

The previous prime is 85709873. The next prime is 85709917. The reversal of 85709874 is 47890758.

It is not an unprimeable number, because it can be changed into a prime (85709873) 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, 375807 + ... + 376034.

It is an arithmetic number, because the mean of its divisors is an integer number (11277630).

Almost surely, 2^85709874 is an apocalyptic number.

85709874 is an abundant number, since it is smaller than the sum of its proper divisors (94732206).

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

85709874 is a wasteful number, since it uses less digits than its factorization.

85709874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 751865.

The product of its (nonzero) digits is 564480, while the sum is 48.

The square root of 85709874 is about 9257.9627348570. The cubic root of 85709874 is about 440.9035736132.

The spelling of 85709874 in words is "eighty-five million, seven hundred nine thousand, eight hundred seventy-four".