85345919 has 8 divisors (see below), whose sum is σ = 87106320. Its totient is φ = 83596096.

The previous prime is 85345907. The next prime is 85345921. The reversal of 85345919 is 91954358.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-85345919 is a prime.

It is a super-2 number, since 2×85345919² = 14567851779909122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 85345919.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85345999) 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, 14819 + ... + 19755.

It is an arithmetic number, because the mean of its divisors is an integer number (10888290).

Almost surely, 2^85345919 is an apocalyptic number.

85345919 is a deficient number, since it is larger than the sum of its proper divisors (1760401).

85345919 is a wasteful number, since it uses less digits than its factorization.

85345919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5289.

The product of its digits is 194400, while the sum is 44.

The square root of 85345919 is about 9238.2855011090. The cubic root of 85345919 is about 440.2786097030.

The spelling of 85345919 in words is "eighty-five million, three hundred forty-five thousand, nine hundred nineteen".