83442824438 has 24 divisors (see below), whose sum is σ = 132201876312. Its totient is φ = 39494630592.

The previous prime is 83442824431. The next prime is 83442824449.

83442824438 is nontrivially palindromic in base 10.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83442824431) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 891881 + ... + 980987.

It is an arithmetic number, because the mean of its divisors is an integer number (5508411513).

Almost surely, 2^83442824438 is an apocalyptic number.

83442824438 is a deficient number, since it is larger than the sum of its proper divisors (48759051874).

83442824438 is a wasteful number, since it uses less digits than its factorization.

83442824438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90444 (or 90425 counting only the distinct ones).

The product of its digits is 4718592, while the sum is 50.

The spelling of 83442824438 in words is "eighty-three billion, four hundred forty-two million, eight hundred twenty-four thousand, four hundred thirty-eight".