83643713 has 8 divisors (see below), whose sum is σ = 84823200. Its totient is φ = 82469728.

The previous prime is 83643701. The next prime is 83643727. The reversal of 83643713 is 31734638.

It is a happy number.

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 83643713 - 2¹² = 83639617 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (83643733) 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, 36170 + ... + 38412.

It is an arithmetic number, because the mean of its divisors is an integer number (10602900).

Almost surely, 2^83643713 is an apocalyptic number.

It is an amenable number.

83643713 is a deficient number, since it is larger than the sum of its proper divisors (1179487).

83643713 is a wasteful number, since it uses less digits than its factorization.

83643713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2751.

The product of its digits is 36288, while the sum is 35.

The square root of 83643713 is about 9145.6936861017. The cubic root of 83643713 is about 437.3318437300.

The spelling of 83643713 in words is "eighty-three million, six hundred forty-three thousand, seven hundred thirteen".