83804040838 has 16 divisors (see below), whose sum is σ = 143667864864. Its totient is φ = 35915068800.

The previous prime is 83804040787. The next prime is 83804040847.

83804040838 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 831556 + ... + 926872.

It is an arithmetic number, because the mean of its divisors is an integer number (8979241554).

Almost surely, 2^83804040838 is an apocalyptic number.

83804040838 is a deficient number, since it is larger than the sum of its proper divisors (59863824026).

83804040838 is a wasteful number, since it uses less digits than its factorization.

83804040838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158127.

The product of its (nonzero) digits is 589824, while the sum is 46.

It can be divided in two parts, 838040 and 40838, that added together give a palindrome (878878).

The spelling of 83804040838 in words is "eighty-three billion, eight hundred four million, forty thousand, eight hundred thirty-eight".