83442485 has 8 divisors (see below), whose sum is σ = 114435456. Its totient is φ = 57217680.

The previous prime is 83442481. The next prime is 83442487. The reversal of 83442485 is 58424438.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 83442485 - 2² = 83442481 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83442481) 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, 1192001 + ... + 1192070.

It is an arithmetic number, because the mean of its divisors is an integer number (14304432).

Almost surely, 2^83442485 is an apocalyptic number.

It is an amenable number.

83442485 is a deficient number, since it is larger than the sum of its proper divisors (30992971).

83442485 is a wasteful number, since it uses less digits than its factorization.

83442485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2384083.

The product of its digits is 122880, while the sum is 38.

The square root of 83442485 is about 9134.6858183519. The cubic root of 83442485 is about 436.9808546928.

The spelling of 83442485 in words is "eighty-three million, four hundred forty-two thousand, four hundred eighty-five".