8538546930778 has 8 divisors (see below), whose sum is σ = 12816758167668. Its totient is φ = 4266294208224.

The previous prime is 8538546930731. The next prime is 8538546930829. The reversal of 8538546930778 is 8770396458358.

It can be written as a sum of positive squares in 2 ways, for example, as 6068108002609 + 2470438928169 = 2463353^2 + 1571763^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 8538546930778.

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 3 ways as a sum of consecutive naturals, for example, 1489625001 + ... + 1489630732.

Almost surely, 2^{8538546930778} is an apocalyptic number.

8538546930778 is a deficient number, since it is larger than the sum of its proper divisors (4278211236890).

8538546930778 is a wasteful number, since it uses less digits than its factorization.

8538546930778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2979257168.

The product of its (nonzero) digits is 1219276800, while the sum is 73.

The spelling of 8538546930778 in words is "eight trillion, five hundred thirty-eight billion, five hundred forty-six million, nine hundred thirty thousand, seven hundred seventy-eight".