83725939 has 4 divisors (see below), whose sum is σ = 91337400. Its totient is φ = 76114480.

The previous prime is 83725937. The next prime is 83725973. The reversal of 83725939 is 93952738.

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

It is a cyclic number.

It is not a de Polignac number, because 83725939 - 2¹ = 83725937 is a prime.

It is a super-3 number, since 3×83725939³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (83725937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3805714 + ... + 3805735.

It is an arithmetic number, because the mean of its divisors is an integer number (22834350).

Almost surely, 2^83725939 is an apocalyptic number.

83725939 is a deficient number, since it is larger than the sum of its proper divisors (7611461).

83725939 is a wasteful number, since it uses less digits than its factorization.

83725939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7611460.

The product of its digits is 408240, while the sum is 46.

The square root of 83725939 is about 9150.1879215675. The cubic root of 83725939 is about 437.4751032363.

The spelling of 83725939 in words is "eighty-three million, seven hundred twenty-five thousand, nine hundred thirty-nine".