679719996 has 36 divisors (see below), whose sum is σ = 1721642832. Its totient is φ = 226116864.

The previous prime is 679719923. The next prime is 679720021. The reversal of 679719996 is 699917976.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 661 + ... + 36876.

It is an arithmetic number, because the mean of its divisors is an integer number (47823412).

Almost surely, 2^679719996 is an apocalyptic number.

It is an amenable number.

679719996 is an abundant number, since it is smaller than the sum of its proper divisors (1041922836).

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

679719996 is a wasteful number, since it uses less digits than its factorization.

679719996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38050 (or 38045 counting only the distinct ones).

The product of its digits is 11573604, while the sum is 63.

The square root of 679719996 is about 26071.4402363966. The cubic root of 679719996 is about 879.2452188517.

The spelling of 679719996 in words is "six hundred seventy-nine million, seven hundred nineteen thousand, nine hundred ninety-six".