83443408269172 has 12 divisors (see below), whose sum is σ = 166886816538400. Its totient is φ = 35761460686776.

The previous prime is 83443408269127. The next prime is 83443408269227. The reversal of 83443408269172 is 27196280434438.

83443408269172 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 83443408269172.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1490060861922 + ... + 1490060861977.

Almost surely, 2^{83443408269172} is an apocalyptic number.

It is an amenable number.

83443408269172 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

83443408269172 is a wasteful number, since it uses less digits than its factorization.

83443408269172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2980121723910 (or 2980121723908 counting only the distinct ones).

The product of its (nonzero) digits is 55738368, while the sum is 61.

The spelling of 83443408269172 in words is "eighty-three trillion, four hundred forty-three billion, four hundred eight million, two hundred sixty-nine thousand, one hundred seventy-two".