43798837779 has 16 divisors (see below), whose sum is σ = 67124656800. Its totient is φ = 28192354848.

The previous prime is 43798837729. The next prime is 43798837783. The reversal of 43798837779 is 97773889734.

43798837779 is a `hidden beast` number, since 43 + 79 + 88 + 377 + 79 = 666.

It is not a de Polignac number, because 43798837779 - 2⁷ = 43798837651 is a prime.

It is not an unprimeable number, because it can be changed into a prime (43798837729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27967824 + ... + 27969389.

It is an arithmetic number, because the mean of its divisors is an integer number (4195291050).

Almost surely, 2^43798837779 is an apocalyptic number.

43798837779 is a deficient number, since it is larger than the sum of its proper divisors (23325819021).

43798837779 is a wasteful number, since it uses less digits than its factorization.

43798837779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55937251 (or 55937245 counting only the distinct ones).

The product of its digits is 448084224, while the sum is 72.

The spelling of 43798837779 in words is "forty-three billion, seven hundred ninety-eight million, eight hundred thirty-seven thousand, seven hundred seventy-nine".