679854619902 has 8 divisors (see below), whose sum is σ = 1359709239816. Its totient is φ = 226618206632.

The previous prime is 679854619879. The next prime is 679854619903. The reversal of 679854619902 is 209916458976.

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

679854619902 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (679854619903) 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, 56654551653 + ... + 56654551664.

It is an arithmetic number, because the mean of its divisors is an integer number (169963654977).

Almost surely, 2^679854619902 is an apocalyptic number.

679854619902 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.

679854619902 is a wasteful number, since it uses less digits than its factorization.

679854619902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113309103322.

The product of its (nonzero) digits is 58786560, while the sum is 66.

The spelling of 679854619902 in words is "six hundred seventy-nine billion, eight hundred fifty-four million, six hundred nineteen thousand, nine hundred two".