83445254438 has 64 divisors (see below), whose sum is σ = 156504458880. Its totient is φ = 32683248000.

The previous prime is 83445254401. The next prime is 83445254467.

83445254438 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×83445254438² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3093128 + ... + 3119988.

It is an arithmetic number, because the mean of its divisors is an integer number (2445382170).

Almost surely, 2^83445254438 is an apocalyptic number.

83445254438 is a deficient number, since it is larger than the sum of its proper divisors (73059204442).

83445254438 is a wasteful number, since it uses less digits than its factorization.

83445254438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27010 (or 26984 counting only the distinct ones).

The product of its digits is 7372800, while the sum is 50.

The spelling of 83445254438 in words is "eighty-three billion, four hundred forty-five million, two hundred fifty-four thousand, four hundred thirty-eight".