8012789077778 has 8 divisors (see below), whose sum is σ = 12110933110320. Its totient is φ = 3975811374340.

The previous prime is 8012789077723. The next prime is 8012789077823. The reversal of 8012789077778 is 8777709872108.

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

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15291581948 + ... + 15291582471.

It is an arithmetic number, because the mean of its divisors is an integer number (1513866638790).

Almost surely, 2^{8012789077778} is an apocalyptic number.

8012789077778 is a deficient number, since it is larger than the sum of its proper divisors (4098144032542).

8012789077778 is a wasteful number, since it uses less digits than its factorization.

8012789077778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30583164552.

The product of its (nonzero) digits is 154893312, while the sum is 71.

The spelling of 8012789077778 in words is "eight trillion, twelve billion, seven hundred eighty-nine million, seventy-seven thousand, seven hundred seventy-eight".