85109694 has 64 divisors (see below), whose sum is σ = 183859200. Its totient is φ = 26213760.

The previous prime is 85109681. The next prime is 85109723. The reversal of 85109694 is 49690158.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 571132 + ... + 571280.

It is an arithmetic number, because the mean of its divisors is an integer number (2872800).

Almost surely, 2^85109694 is an apocalyptic number.

85109694 is an abundant number, since it is smaller than the sum of its proper divisors (98749506).

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

85109694 is a wasteful number, since it uses less digits than its factorization.

85109694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305.

The product of its (nonzero) digits is 77760, while the sum is 42.

The square root of 85109694 is about 9225.4915316204. The cubic root of 85109694 is about 439.8720254542.

The spelling of 85109694 in words is "eighty-five million, one hundred nine thousand, six hundred ninety-four".