43794897778 has 16 divisors (see below), whose sum is σ = 69090921216. Its totient is φ = 20791246320.

The previous prime is 43794897763. The next prime is 43794897821. The reversal of 43794897778 is 87779849734.

It is a self number, because there is not a number n which added to its sum of digits gives 43794897778.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6660576 + ... + 6667147.

It is an arithmetic number, because the mean of its divisors is an integer number (4318182576).

Almost surely, 2^43794897778 is an apocalyptic number.

43794897778 is a deficient number, since it is larger than the sum of its proper divisors (25296023438).

43794897778 is a wasteful number, since it uses less digits than its factorization.

43794897778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13327809.

The product of its digits is 597445632, while the sum is 73.

The spelling of 43794897778 in words is "forty-three billion, seven hundred ninety-four million, eight hundred ninety-seven thousand, seven hundred seventy-eight".