83317647 has 8 divisors (see below), whose sum is σ = 126960256. Its totient is φ = 47610072.

The previous prime is 83317621. The next prime is 83317657. The reversal of 83317647 is 74671338.

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

It is not a de Polignac number, because 83317647 - 2¹⁸ = 83055503 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 (83317657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1983733 + ... + 1983774.

It is an arithmetic number, because the mean of its divisors is an integer number (15870032).

Almost surely, 2^83317647 is an apocalyptic number.

83317647 is a deficient number, since it is larger than the sum of its proper divisors (43642609).

83317647 is a wasteful number, since it uses less digits than its factorization.

83317647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3967517.

The product of its digits is 84672, while the sum is 39.

The square root of 83317647 is about 9127.8500754559. The cubic root of 83317647 is about 436.7628240996.

The spelling of 83317647 in words is "eighty-three million, three hundred seventeen thousand, six hundred forty-seven".