85378683 has 16 divisors (see below), whose sum is σ = 124278560. Its totient is φ = 51819264.

The previous prime is 85378673. The next prime is 85378729. The reversal of 85378683 is 38687358.

It is a happy number.

It is not a de Polignac number, because 85378683 - 2⁵ = 85378651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85378603) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12148 + ... + 17841.

It is an arithmetic number, because the mean of its divisors is an integer number (7767410).

Almost surely, 2^85378683 is an apocalyptic number.

85378683 is a deficient number, since it is larger than the sum of its proper divisors (38899877).

85378683 is a wasteful number, since it uses less digits than its factorization.

85378683 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30078.

The product of its digits is 967680, while the sum is 48.

The square root of 85378683 is about 9240.0586037103. The cubic root of 85378683 is about 440.3349429681.

The spelling of 85378683 in words is "eighty-five million, three hundred seventy-eight thousand, six hundred eighty-three".