779533773073 has 16 divisors (see below), whose sum is σ = 868960364544. Its totient is φ = 693216686160.

The previous prime is 779533773047. The next prime is 779533773079. The reversal of 779533773073 is 370377335977.

It is a cyclic number.

It is not a de Polignac number, because 779533773073 - 2⁹ = 779533772561 is a prime.

It is a super-2 number, since 2×779533773073² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (779533773079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 561436 + ... + 1369042.

It is an arithmetic number, because the mean of its divisors is an integer number (54310022784).

Almost surely, 2^779533773073 is an apocalyptic number.

It is an amenable number.

779533773073 is a deficient number, since it is larger than the sum of its proper divisors (89426591471).

779533773073 is a wasteful number, since it uses less digits than its factorization.

779533773073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 809532.

The product of its (nonzero) digits is 61261515, while the sum is 61.

The spelling of 779533773073 in words is "seven hundred seventy-nine billion, five hundred thirty-three million, seven hundred seventy-three thousand, seventy-three".