43087820133 has 16 divisors (see below), whose sum is σ = 60836267520. Its totient is φ = 27050399856.

The previous prime is 43087820119. The next prime is 43087820137. The reversal of 43087820133 is 33102878034.

43087820133 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 43087820133 - 2¹⁰ = 43087819109 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 43087820091 and 43087820100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43087820137) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2253735 + ... + 2272772.

It is an arithmetic number, because the mean of its divisors is an integer number (3802266720).

Almost surely, 2^43087820133 is an apocalyptic number.

It is an amenable number.

43087820133 is a deficient number, since it is larger than the sum of its proper divisors (17748447387).

43087820133 is a wasteful number, since it uses less digits than its factorization.

43087820133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4526696.

The product of its (nonzero) digits is 96768, while the sum is 39.

The spelling of 43087820133 in words is "forty-three billion, eighty-seven million, eight hundred twenty thousand, one hundred thirty-three".