83873685 has 32 divisors (see below), whose sum is σ = 154748160. Its totient is φ = 37997568.

The previous prime is 83873677. The next prime is 83873701. The reversal of 83873685 is 58637838.

It is a happy number.

It is not a de Polignac number, because 83873685 - 2³ = 83873677 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8331 + ... + 15399.

It is an arithmetic number, because the mean of its divisors is an integer number (4835880).

Almost surely, 2^83873685 is an apocalyptic number.

It is an amenable number.

83873685 is a deficient number, since it is larger than the sum of its proper divisors (70874475).

83873685 is a wasteful number, since it uses less digits than its factorization.

83873685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7197.

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

The square root of 83873685 is about 9158.2577491573. The cubic root of 83873685 is about 437.7322804638.

The spelling of 83873685 in words is "eighty-three million, eight hundred seventy-three thousand, six hundred eighty-five".