83383247 has 4 divisors (see below), whose sum is σ = 84039936. Its totient is φ = 82726560.

The previous prime is 83383241. The next prime is 83383253. The reversal of 83383247 is 74238338.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 74238338 = 2 ⋅37119169.

It is an interprime number because it is at equal distance from previous prime (83383241) and next prime (83383253).

It is a cyclic number.

It is not a de Polignac number, because 83383247 - 2⁸ = 83382991 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 83383247.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83383241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 328154 + ... + 328407.

It is an arithmetic number, because the mean of its divisors is an integer number (21009984).

Almost surely, 2^83383247 is an apocalyptic number.

83383247 is a deficient number, since it is larger than the sum of its proper divisors (656689).

83383247 is a wasteful number, since it uses less digits than its factorization.

83383247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 656688.

The product of its digits is 96768, while the sum is 38.

The square root of 83383247 is about 9131.4427666169. The cubic root of 83383247 is about 436.8774221709.

The spelling of 83383247 in words is "eighty-three million, three hundred eighty-three thousand, two hundred forty-seven".