85194039 has 8 divisors (see below), whose sum is σ = 129819520. Its totient is φ = 48682296.

The previous prime is 85194019. The next prime is 85194061. The reversal of 85194039 is 93049158.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 85194039 - 2⁵ = 85194007 is a prime.

It is a super-2 number, since 2×85194039² = 14516048562267042, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 85193988 and 85194006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85194019) 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, 2028409 + ... + 2028450.

It is an arithmetic number, because the mean of its divisors is an integer number (16227440).

Almost surely, 2^85194039 is an apocalyptic number.

85194039 is a deficient number, since it is larger than the sum of its proper divisors (44625481).

85194039 is a wasteful number, since it uses less digits than its factorization.

85194039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4056869.

The product of its (nonzero) digits is 38880, while the sum is 39.

The square root of 85194039 is about 9230.0617007689. The cubic root of 85194039 is about 440.0172841007.

The spelling of 85194039 in words is "eighty-five million, one hundred ninety-four thousand, thirty-nine".