778066030643 has 8 divisors (see below), whose sum is σ = 871739828400. Its totient is φ = 688215653280.

The previous prime is 778066030627. The next prime is 778066030669. The reversal of 778066030643 is 346030660877.

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

It is a cyclic number.

It is not a de Polignac number, because 778066030643 - 2⁴ = 778066030627 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 778066030591 and 778066030600.

It is not an unprimeable number, because it can be changed into a prime (778066030673) 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, 955854668 + ... + 955855481.

It is an arithmetic number, because the mean of its divisors is an integer number (108967478550).

Almost surely, 2^778066030643 is an apocalyptic number.

778066030643 is a deficient number, since it is larger than the sum of its proper divisors (93673797757).

778066030643 is a wasteful number, since it uses less digits than its factorization.

778066030643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1911710197.

The product of its (nonzero) digits is 3048192, while the sum is 50.

The spelling of 778066030643 in words is "seven hundred seventy-eight billion, sixty-six million, thirty thousand, six hundred forty-three".