83644283 has 2 divisors, whose sum is σ = 83644284. Its totient is φ = 83644282.

The previous prime is 83644273. The next prime is 83644291. The reversal of 83644283 is 38244638.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 83644283 - 2²⁶ = 16535419 is a prime.

It is a super-3 number, since 3×83644283³ (a number of 25 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (83644243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41822141 + 41822142.

It is an arithmetic number, because the mean of its divisors is an integer number (41822142).

Almost surely, 2^83644283 is an apocalyptic number.

83644283 is a deficient number, since it is larger than the sum of its proper divisors (1).

83644283 is an equidigital number, since it uses as much as digits as its factorization.

83644283 is an evil number, because the sum of its binary digits is even.

The product of its digits is 110592, while the sum is 38.

The square root of 83644283 is about 9145.7248482556. The cubic root of 83644283 is about 437.3328371443.

The spelling of 83644283 in words is "eighty-three million, six hundred forty-four thousand, two hundred eighty-three".