679082405 has 8 divisors (see below), whose sum is σ = 815875200. Its totient is φ = 542615056.

The previous prime is 679082387. The next prime is 679082419. The reversal of 679082405 is 504280976.

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 679082405 - 2⁸ = 679082149 is a prime.

It is a super-2 number, since 2×679082405² = 922305825561168050, which 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 (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76745 + ... + 85134.

It is an arithmetic number, because the mean of its divisors is an integer number (101984400).

Almost surely, 2^679082405 is an apocalyptic number.

It is an amenable number.

679082405 is a deficient number, since it is larger than the sum of its proper divisors (136792795).

679082405 is a wasteful number, since it uses less digits than its factorization.

679082405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162723.

The product of its (nonzero) digits is 120960, while the sum is 41.

The square root of 679082405 is about 26059.2096004464. The cubic root of 679082405 is about 878.9702162931.

The spelling of 679082405 in words is "six hundred seventy-nine million, eighty-two thousand, four hundred five".