43782079836 has 72 divisors (see below), whose sum is σ = 115156605312. Its totient is φ = 12839282400.

The previous prime is 43782079763. The next prime is 43782079877. The reversal of 43782079836 is 63897028734.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 45720 + ... + 299423.

It is an arithmetic number, because the mean of its divisors is an integer number (1599397296).

Almost surely, 2^43782079836 is an apocalyptic number.

It is an amenable number.

43782079836 is an abundant number, since it is smaller than the sum of its proper divisors (71374525476).

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

43782079836 is a wasteful number, since it uses less digits than its factorization.

43782079836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345223 (or 345190 counting only the distinct ones).

The product of its (nonzero) digits is 12192768, while the sum is 57.

The spelling of 43782079836 in words is "forty-three billion, seven hundred eighty-two million, seventy-nine thousand, eight hundred thirty-six".