83449942388836 has 27 divisors (see below), whose sum is σ = 152663683197081. Its totient is φ = 39910641039984.

The previous prime is 83449942388749. The next prime is 83449942388849. The reversal of 83449942388836 is 63888324994438.

The square root of 83449942388836 is 9135094.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 62026744998436 + 21423197390400 = 7875706^2 + 4628520^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 420115030 + ... + 420313618.

Almost surely, 2^{83449942388836} is an apocalyptic number.

83449942388836 is the 9135094-th square number.

It is an amenable number.

83449942388836 is a deficient number, since it is larger than the sum of its proper divisors (69213740808245).

83449942388836 is an frugal number, since it uses more digits than its factorization.

83449942388836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397228 (or 198614 counting only the distinct ones).

The product of its digits is 6879707136, while the sum is 79.

The spelling of 83449942388836 in words is "eighty-three trillion, four hundred forty-nine billion, nine hundred forty-two million, three hundred eighty-eight thousand, eight hundred thirty-six".