679873225578 has 32 divisors (see below), whose sum is σ = 1404133368000. Its totient is φ = 219323293056.

The previous prime is 679873225573. The next prime is 679873225583. The reversal of 679873225578 is 875522378976.

679873225578 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (679873225573) and next prime (679873225583).

It is not an unprimeable number, because it can be changed into a prime (679873225573) 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, 12059803 + ... + 12116046.

It is an arithmetic number, because the mean of its divisors is an integer number (43879167750).

Almost surely, 2^679873225578 is an apocalyptic number.

679873225578 is an abundant number, since it is smaller than the sum of its proper divisors (724260142422).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

679873225578 is a wasteful number, since it uses less digits than its factorization.

679873225578 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24176006.

The product of its digits is 355622400, while the sum is 69.

The spelling of 679873225578 in words is "six hundred seventy-nine billion, eight hundred seventy-three million, two hundred twenty-five thousand, five hundred seventy-eight".