679219064 has 16 divisors (see below), whose sum is σ = 1307956200. Its totient is φ = 330430752.

The previous prime is 679219001. The next prime is 679219069. The reversal of 679219064 is 460912976.

679219064 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×679219064² = 922677073802072192, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (679219069) 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, 1147034 + ... + 1147625.

Almost surely, 2^679219064 is an apocalyptic number.

It is an amenable number.

679219064 is a deficient number, since it is larger than the sum of its proper divisors (628737136).

679219064 is a wasteful number, since it uses less digits than its factorization.

679219064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2294702 (or 2294698 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 44.

The square root of 679219064 is about 26061.8315549771. The cubic root of 679219064 is about 879.0291738576.

The spelling of 679219064 in words is "six hundred seventy-nine million, two hundred nineteen thousand, sixty-four".