779889067923 has 16 divisors (see below), whose sum is σ = 1212655500800. Its totient is φ = 445650895368.

The previous prime is 779889067921. The next prime is 779889068017. The reversal of 779889067923 is 329760988977.

It is not a de Polignac number, because 779889067923 - 2¹ = 779889067921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (779889067921) 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 15 ways as a sum of consecutive naturals, for example, 378953815 + ... + 378955872.

It is an arithmetic number, because the mean of its divisors is an integer number (75790968800).

Almost surely, 2^779889067923 is an apocalyptic number.

779889067923 is a deficient number, since it is larger than the sum of its proper divisors (432766432877).

779889067923 is an equidigital number, since it uses as much as digits as its factorization.

779889067923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 757909711 (or 757909697 counting only the distinct ones).

The product of its (nonzero) digits is 576108288, while the sum is 75.

The spelling of 779889067923 in words is "seven hundred seventy-nine billion, eight hundred eighty-nine million, sixty-seven thousand, nine hundred twenty-three".