800168977768 has 8 divisors (see below), whose sum is σ = 1500316833330. Its totient is φ = 400084488880.

The previous prime is 800168977757. The next prime is 800168977781. The reversal of 800168977768 is 867779861008.

800168977768 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 424397525764 + 375771452004 = 651458^2 + 613002^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50010561103 + ... + 50010561118.

Almost surely, 2^800168977768 is an apocalyptic number.

It is an amenable number.

800168977768 is a deficient number, since it is larger than the sum of its proper divisors (700147855562).

800168977768 is a wasteful number, since it uses less digits than its factorization.

800168977768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100021122227 (or 100021122223 counting only the distinct ones).

The product of its (nonzero) digits is 56899584, while the sum is 67.

The spelling of 800168977768 in words is "eight hundred billion, one hundred sixty-eight million, nine hundred seventy-seven thousand, seven hundred sixty-eight".