83445755754438 has 144 divisors (see below), whose sum is σ = 229129490143008. Its totient is φ = 21482414553600.

The previous prime is 83445755754421. The next prime is 83445755754443.

83445755754438 is a `hidden beast` number, since 8 + 3 + 4 + 4 + 5 + 7 + 5 + 575 + 4 + 43 + 8 = 666.

83445755754438 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 71 ways as a sum of consecutive naturals, for example, 22495293 + ... + 25940888.

It is an arithmetic number, because the mean of its divisors is an integer number (1591177014882).

Almost surely, 2^{83445755754438} is an apocalyptic number.

83445755754438 is an abundant number, since it is smaller than the sum of its proper divisors (145683734388570).

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

83445755754438 is a wasteful number, since it uses less digits than its factorization.

83445755754438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48436331 (or 48436317 counting only the distinct ones).

The product of its digits is 4515840000, while the sum is 72.

The spelling of 83445755754438 in words is "eighty-three trillion, four hundred forty-five billion, seven hundred fifty-five million, seven hundred fifty-four thousand, four hundred thirty-eight".