778034365113963 has 4 divisors (see below), whose sum is σ = 1037379153485288. Its totient is φ = 518689576742640.

The previous prime is 778034365113949. The next prime is 778034365113977. The reversal of 778034365113963 is 369311563430877.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (778034365113949) and next prime (778034365113977).

It is not a de Polignac number, because 778034365113963 - 2⁶ = 778034365113899 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 778034365113894 and 778034365113903.

It is not an unprimeable number, because it can be changed into a prime (778034365113913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 129672394185658 + ... + 129672394185663.

It is an arithmetic number, because the mean of its divisors is an integer number (259344788371322).

Almost surely, 2^{778034365113963} is an apocalyptic number.

778034365113963 is a deficient number, since it is larger than the sum of its proper divisors (259344788371325).

778034365113963 is a wasteful number, since it uses less digits than its factorization.

778034365113963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259344788371324.

The product of its (nonzero) digits is 205752960, while the sum is 66.

The spelling of 778034365113963 in words is "seven hundred seventy-eight trillion, thirty-four billion, three hundred sixty-five million, one hundred thirteen thousand, nine hundred sixty-three".