43780347116 has 12 divisors (see below), whose sum is σ = 83580662760. Its totient is φ = 19900157760.

The previous prime is 43780347071. The next prime is 43780347137. The reversal of 43780347116 is 61174308734.

It is a Harshad number since it is a multiple of its sum of digits (44), and also a Moran number because the ratio is a prime number: 995007889 = 43780347116 / (4 + 3 + 7 + 8 + 0 + 3 + 4 + 7 + 1 + 1 + 6).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 497503901 + ... + 497503988.

It is an arithmetic number, because the mean of its divisors is an integer number (6965055230).

Almost surely, 2^43780347116 is an apocalyptic number.

It is an amenable number.

43780347116 is a deficient number, since it is larger than the sum of its proper divisors (39800315644).

43780347116 is a wasteful number, since it uses less digits than its factorization.

43780347116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 995007904 (or 995007902 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 44.

The spelling of 43780347116 in words is "forty-three billion, seven hundred eighty million, three hundred forty-seven thousand, one hundred sixteen".