83854445838 has 64 divisors (see below), whose sum is σ = 174579071040. Its totient is φ = 26828928000.

The previous prime is 83854445819. The next prime is 83854445861.

83854445838 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6293928 + ... + 6307236.

It is an arithmetic number, because the mean of its divisors is an integer number (2727797985).

Almost surely, 2^83854445838 is an apocalyptic number.

83854445838 is an abundant number, since it is smaller than the sum of its proper divisors (90724625202).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

83854445838 is a wasteful number, since it uses less digits than its factorization.

83854445838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13733.

The product of its digits is 58982400, while the sum is 60.

The spelling of 83854445838 in words is "eighty-three billion, eight hundred fifty-four million, four hundred forty-five thousand, eight hundred thirty-eight".