679111387448 has 16 divisors (see below), whose sum is σ = 1371282609480. Its totient is φ = 313436024928.

The previous prime is 679111387439. The next prime is 679111387517. The reversal of 679111387448 is 844783111976.

It is a super-2 number, since 2×679111387448² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 3264958490 + ... + 3264958697.

Almost surely, 2^679111387448 is an apocalyptic number.

It is an amenable number.

679111387448 is an abundant number, since it is smaller than the sum of its proper divisors (692171222032).

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

679111387448 is a wasteful number, since it uses less digits than its factorization.

679111387448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6529917206 (or 6529917202 counting only the distinct ones).

The product of its digits is 8128512, while the sum is 59.

The spelling of 679111387448 in words is "six hundred seventy-nine billion, one hundred eleven million, three hundred eighty-seven thousand, four hundred forty-eight".