679158089 has 8 divisors (see below), whose sum is σ = 682307328. Its totient is φ = 676016640.

The previous prime is 679158049. The next prime is 679158107. The reversal of 679158089 is 980851976.

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 679158089 - 2²⁰ = 678109513 is a prime.

It is a super-2 number, since 2×679158089² = 922511419708263842, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 679158089.

It is not an unprimeable number, because it can be changed into a prime (679158049) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 233804 + ... + 236690.

It is an arithmetic number, because the mean of its divisors is an integer number (85288416).

Almost surely, 2^679158089 is an apocalyptic number.

It is an amenable number.

679158089 is a deficient number, since it is larger than the sum of its proper divisors (3149239).

679158089 is a wasteful number, since it uses less digits than its factorization.

679158089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3895.

The product of its (nonzero) digits is 1088640, while the sum is 53.

The square root of 679158089 is about 26060.6617145459. The cubic root of 679158089 is about 879.0028689384.

The spelling of 679158089 in words is "six hundred seventy-nine million, one hundred fifty-eight thousand, eighty-nine".