83468643 has 4 divisors (see below), whose sum is σ = 111291528. Its totient is φ = 55645760.

The previous prime is 83468629. The next prime is 83468659. The reversal of 83468643 is 34686438.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 83468643 - 2¹⁰ = 83467619 is a prime.

It is a super-2 number, since 2×83468643² = 13934028728522898, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 83468595 and 83468604.

It is not an unprimeable number, because it can be changed into a prime (83468543) 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, 13911438 + ... + 13911443.

It is an arithmetic number, because the mean of its divisors is an integer number (27822882).

Almost surely, 2^83468643 is an apocalyptic number.

83468643 is a deficient number, since it is larger than the sum of its proper divisors (27822885).

83468643 is a wasteful number, since it uses less digits than its factorization.

83468643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27822884.

The product of its digits is 331776, while the sum is 42.

The square root of 83468643 is about 9136.1175014335. The cubic root of 83468643 is about 437.0265122934.

The spelling of 83468643 in words is "eighty-three million, four hundred sixty-eight thousand, six hundred forty-three".