83057217 has 8 divisors (see below), whose sum is σ = 110790624. Its totient is φ = 55347648.

The previous prime is 83057213. The next prime is 83057263. The reversal of 83057217 is 71275038.

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

It is not a de Polignac number, because 83057217 - 2² = 83057213 is a prime.

It is not an unprimeable number, because it can be changed into a prime (83057213) 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 7 ways as a sum of consecutive naturals, for example, 5113 + ... + 13865.

It is an arithmetic number, because the mean of its divisors is an integer number (13848828).

Almost surely, 2^83057217 is an apocalyptic number.

It is an amenable number.

83057217 is a deficient number, since it is larger than the sum of its proper divisors (27733407).

83057217 is a wasteful number, since it uses less digits than its factorization.

83057217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11919.

The product of its (nonzero) digits is 11760, while the sum is 33.

The square root of 83057217 is about 9113.5732289810. The cubic root of 83057217 is about 436.3072788998.

The spelling of 83057217 in words is "eighty-three million, fifty-seven thousand, two hundred seventeen".