85137683 has 4 divisors (see below), whose sum is σ = 90145800. Its totient is φ = 80129568.

The previous prime is 85137659. The next prime is 85137713. The reversal of 85137683 is 38673158.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 85137683 - 2⁸ = 85137427 is a prime.

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 85137683.

It is not an unprimeable number, because it can be changed into a prime (85137643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2504033 + ... + 2504066.

It is an arithmetic number, because the mean of its divisors is an integer number (22536450).

Almost surely, 2^85137683 is an apocalyptic number.

85137683 is a deficient number, since it is larger than the sum of its proper divisors (5008117).

85137683 is a wasteful number, since it uses less digits than its factorization.

85137683 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5008116.

The product of its digits is 120960, while the sum is 41.

The square root of 85137683 is about 9227.0083450705. The cubic root of 85137683 is about 439.9202386412.

The spelling of 85137683 in words is "eighty-five million, one hundred thirty-seven thousand, six hundred eighty-three".