83875138 has 16 divisors (see below), whose sum is σ = 127059840. Its totient is φ = 41524336.

The previous prime is 83875133. The next prime is 83875151. The reversal of 83875138 is 83157838.

It is a junction number, because it is equal to n+sod(n) for n = 83875094 and 83875103.

It is not an unprimeable number, because it can be changed into a prime (83875133) 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, 108120 + ... + 108892.

It is an arithmetic number, because the mean of its divisors is an integer number (7941240).

Almost surely, 2^83875138 is an apocalyptic number.

83875138 is a deficient number, since it is larger than the sum of its proper divisors (43184702).

83875138 is a wasteful number, since it uses less digits than its factorization.

83875138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1241.

The product of its digits is 161280, while the sum is 43.

The square root of 83875138 is about 9158.3370761291. The cubic root of 83875138 is about 437.7348081590.

The spelling of 83875138 in words is "eighty-three million, eight hundred seventy-five thousand, one hundred thirty-eight".