679880873 has 16 divisors (see below), whose sum is σ = 801722880. Its totient is φ = 564497856.

The previous prime is 679880867. The next prime is 679880909. The reversal of 679880873 is 378088976.

It is a cyclic number.

It is not a de Polignac number, because 679880873 - 2¹² = 679876777 is a prime.

It is not an unprimeable number, because it can be changed into a prime (679880833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17711 + ... + 40907.

It is an arithmetic number, because the mean of its divisors is an integer number (50107680).

Almost surely, 2^679880873 is an apocalyptic number.

It is an amenable number.

679880873 is a deficient number, since it is larger than the sum of its proper divisors (121842007).

679880873 is a wasteful number, since it uses less digits than its factorization.

679880873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23336.

The product of its (nonzero) digits is 4064256, while the sum is 56.

The square root of 679880873 is about 26074.5253648077. The cubic root of 679880873 is about 879.3145803417.

The spelling of 679880873 in words is "six hundred seventy-nine million, eight hundred eighty thousand, eight hundred seventy-three".