778875278383 has 8 divisors (see below), whose sum is σ = 783677985200. Its totient is φ = 774072868608.

The previous prime is 778875278359. The next prime is 778875278393. The reversal of 778875278383 is 383872578877.

778875278383 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-778875278383 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (778875278323) 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, 7654303 + ... + 7755391.

It is an arithmetic number, because the mean of its divisors is an integer number (97959748150).

Almost surely, 2^778875278383 is an apocalyptic number.

778875278383 is a deficient number, since it is larger than the sum of its proper divisors (4802706817).

778875278383 is a wasteful number, since it uses less digits than its factorization.

778875278383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148521.

The product of its digits is 885104640, while the sum is 73.

The spelling of 778875278383 in words is "seven hundred seventy-eight billion, eight hundred seventy-five million, two hundred seventy-eight thousand, three hundred eighty-three".