83219105 has 8 divisors (see below), whose sum is σ = 102562152. Its totient is φ = 64775808.

The previous prime is 83219057. The next prime is 83219111. The reversal of 83219105 is 50191238.

It can be written as a sum of positive squares in 4 ways, for example, as 32993536 + 50225569 = 5744^2 + 7087^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 83219105 - 2²² = 79024801 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 224732 + ... + 225101.

It is an arithmetic number, because the mean of its divisors is an integer number (12820269).

Almost surely, 2^83219105 is an apocalyptic number.

It is an amenable number.

83219105 is a deficient number, since it is larger than the sum of its proper divisors (19343047).

83219105 is a wasteful number, since it uses less digits than its factorization.

83219105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449875.

The product of its (nonzero) digits is 2160, while the sum is 29.

The square root of 83219105 is about 9122.4506027712. The cubic root of 83219105 is about 436.5905658290.

The spelling of 83219105 in words is "eighty-three million, two hundred nineteen thousand, one hundred five".