779453429966 has 16 divisors (see below), whose sum is σ = 1201935433920. Its totient is φ = 378828563040.

The previous prime is 779453429861. The next prime is 779453429977. The reversal of 779453429966 is 669924354977.

It is a super-2 number, since 2×779453429966² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 779453429966.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 4992005 + ... + 5145776.

It is an arithmetic number, because the mean of its divisors is an integer number (75120964620).

Almost surely, 2^779453429966 is an apocalyptic number.

779453429966 is a deficient number, since it is larger than the sum of its proper divisors (422482003954).

779453429966 is a wasteful number, since it uses less digits than its factorization.

779453429966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10138859.

The product of its digits is 617258880, while the sum is 71.

The spelling of 779453429966 in words is "seven hundred seventy-nine billion, four hundred fifty-three million, four hundred twenty-nine thousand, nine hundred sixty-six".