779234608943 has 4 divisors (see below), whose sum is σ = 890553838800. Its totient is φ = 667915379088.

The previous prime is 779234608939. The next prime is 779234608951. The reversal of 779234608943 is 349806432977.

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

It is a cyclic number.

It is not a de Polignac number, because 779234608943 - 2² = 779234608939 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (779234608543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55659614918 + ... + 55659614931.

It is an arithmetic number, because the mean of its divisors is an integer number (222638459700).

Almost surely, 2^779234608943 is an apocalyptic number.

779234608943 is a deficient number, since it is larger than the sum of its proper divisors (111319229857).

779234608943 is a wasteful number, since it uses less digits than its factorization.

779234608943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111319229856.

The product of its (nonzero) digits is 54867456, while the sum is 62.

The spelling of 779234608943 in words is "seven hundred seventy-nine billion, two hundred thirty-four million, six hundred eight thousand, nine hundred forty-three".