83575427 has 4 divisors (see below), whose sum is σ = 90004320. Its totient is φ = 77146536.

The previous prime is 83575421. The next prime is 83575463. The reversal of 83575427 is 72457538.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 72457538 = 2 ⋅36228769.

It is a cyclic number.

It is not a de Polignac number, because 83575427 - 2⁸ = 83575171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83575421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3214427 + ... + 3214452.

It is an arithmetic number, because the mean of its divisors is an integer number (22501080).

Almost surely, 2^83575427 is an apocalyptic number.

83575427 is a deficient number, since it is larger than the sum of its proper divisors (6428893).

83575427 is a wasteful number, since it uses less digits than its factorization.

83575427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6428892.

The product of its digits is 235200, while the sum is 41.

The square root of 83575427 is about 9141.9596914447. The cubic root of 83575427 is about 437.2128000238.

The spelling of 83575427 in words is "eighty-three million, five hundred seventy-five thousand, four hundred twenty-seven".