679212347 has 8 divisors (see below), whose sum is σ = 741241152. Its totient is φ = 617230600.

The previous prime is 679212319. The next prime is 679212349. The reversal of 679212347 is 743212976.

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

It is a cyclic number.

It is not a de Polignac number, because 679212347 - 2¹² = 679208251 is a prime.

It is a super-2 number, since 2×679212347² = 922658824634496818, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (679212349) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 22868 + ... + 43374.

It is an arithmetic number, because the mean of its divisors is an integer number (92655144).

Almost surely, 2^679212347 is an apocalyptic number.

679212347 is a deficient number, since it is larger than the sum of its proper divisors (62028805).

679212347 is a wasteful number, since it uses less digits than its factorization.

679212347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23529.

The product of its digits is 127008, while the sum is 41.

The square root of 679212347 is about 26061.7026880440. The cubic root of 679212347 is about 879.0262761875.

The spelling of 679212347 in words is "six hundred seventy-nine million, two hundred twelve thousand, three hundred forty-seven".