83715213 has 8 divisors (see below), whose sum is σ = 111673408. Its totient is φ = 55783584.

The previous prime is 83715209. The next prime is 83715271. The reversal of 83715213 is 31251738.

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

It is not a de Polignac number, because 83715213 - 2² = 83715209 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 (83715713) 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, 2520 + ... + 13182.

It is an arithmetic number, because the mean of its divisors is an integer number (13959176).

Almost surely, 2^83715213 is an apocalyptic number.

It is an amenable number.

83715213 is a deficient number, since it is larger than the sum of its proper divisors (27958195).

83715213 is a wasteful number, since it uses less digits than its factorization.

83715213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13283.

The product of its digits is 5040, while the sum is 30.

The square root of 83715213 is about 9149.6017946138. The cubic root of 83715213 is about 437.4564210198.

The spelling of 83715213 in words is "eighty-three million, seven hundred fifteen thousand, two hundred thirteen".