778813000001 has 8 divisors (see below), whose sum is σ = 792051459360. Its totient is φ = 765575815392.

The previous prime is 778812999983. The next prime is 778813000013. The reversal of 778813000001 is 100000318877.

778813000001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-778813000001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (778813000201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 956606 + ... + 1572488.

It is an arithmetic number, because the mean of its divisors is an integer number (99006432420).

Almost surely, 2^778813000001 is an apocalyptic number.

It is an amenable number.

778813000001 is a deficient number, since it is larger than the sum of its proper divisors (13238459359).

778813000001 is a wasteful number, since it uses less digits than its factorization.

778813000001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 637375.

The product of its (nonzero) digits is 9408, while the sum is 35.

Adding to 778813000001 its reverse (100000318877), we get a palindrome (878813318878).

The spelling of 778813000001 in words is "seven hundred seventy-eight billion, eight hundred thirteen million, one", and thus it is an aban number.