679654036338 has 8 divisors (see below), whose sum is σ = 1359308072688. Its totient is φ = 226551345444.

The previous prime is 679654036337. The next prime is 679654036403. The reversal of 679654036338 is 833630456976.

It is a sphenic number, since it is the product of 3 distinct primes.

679654036338 is an admirable number.

It is a super-2 number, since 2×679654036338² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (679654036337) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56637836356 + ... + 56637836367.

It is an arithmetic number, because the mean of its divisors is an integer number (169913509086).

Almost surely, 2^679654036338 is an apocalyptic number.

679654036338 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

679654036338 is a wasteful number, since it uses less digits than its factorization.

679654036338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113275672728.

The product of its (nonzero) digits is 58786560, while the sum is 60.

The spelling of 679654036338 in words is "six hundred seventy-nine billion, six hundred fifty-four million, thirty-six thousand, three hundred thirty-eight".