83442585 has 64 divisors (see below), whose sum is σ = 148619520. Its totient is φ = 39813120.

The previous prime is 83442563. The next prime is 83442587. The reversal of 83442585 is 58524438.

It is not a de Polignac number, because 83442585 - 2¹⁷ = 83311513 is a prime.

It is not an unprimeable number, because it can be changed into a prime (83442587) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 432249 + ... + 432441.

It is an arithmetic number, because the mean of its divisors is an integer number (2322180).

Almost surely, 2^83442585 is an apocalyptic number.

It is an amenable number.

83442585 is a deficient number, since it is larger than the sum of its proper divisors (65176935).

83442585 is a wasteful number, since it uses less digits than its factorization.

83442585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298.

The product of its digits is 153600, while the sum is 39.

The square root of 83442585 is about 9134.6912919923. The cubic root of 83442585 is about 436.9810292564.

The spelling of 83442585 in words is "eighty-three million, four hundred forty-two thousand, five hundred eighty-five".