43707979806 has 16 divisors (see below), whose sum is σ = 87618786048. Its totient is φ = 14535522200.

The previous prime is 43707979801. The next prime is 43707979807. The reversal of 43707979806 is 60897970734.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 43707979806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43707979801) 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 7 ways as a sum of consecutive naturals, for example, 8448300 + ... + 8453471.

It is an arithmetic number, because the mean of its divisors is an integer number (5476174128).

Almost surely, 2^43707979806 is an apocalyptic number.

43707979806 is an abundant number, since it is smaller than the sum of its proper divisors (43910806242).

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

43707979806 is a wasteful number, since it uses less digits than its factorization.

43707979806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16902207.

The product of its (nonzero) digits is 16003008, while the sum is 60.

The spelling of 43707979806 in words is "forty-three billion, seven hundred seven million, nine hundred seventy-nine thousand, eight hundred six".