778675124513 has 16 divisors (see below), whose sum is σ = 968619326976. Its totient is φ = 614996394240.

The previous prime is 778675124501. The next prime is 778675124537. The reversal of 778675124513 is 315421576877.

778675124513 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 778675124513 - 2⁶ = 778675124449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (778675124543) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 160152881 + ... + 160157742.

It is an arithmetic number, because the mean of its divisors is an integer number (60538707936).

Almost surely, 2^778675124513 is an apocalyptic number.

It is an amenable number.

778675124513 is a deficient number, since it is larger than the sum of its proper divisors (189944202463).

778675124513 is a wasteful number, since it uses less digits than its factorization.

778675124513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320310664.

The product of its digits is 9878400, while the sum is 56.

The spelling of 778675124513 in words is "seven hundred seventy-eight billion, six hundred seventy-five million, one hundred twenty-four thousand, five hundred thirteen".