679306540898 has 8 divisors (see below), whose sum is σ = 1023223242240. Its totient is φ = 338232126820.

The previous prime is 679306540877. The next prime is 679306540921. The reversal of 679306540898 is 898045603976.

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

It is a super-2 number, since 2×679306540898² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 710571218 + ... + 710572173.

It is an arithmetic number, because the mean of its divisors is an integer number (127902905280).

Almost surely, 2^679306540898 is an apocalyptic number.

679306540898 is a deficient number, since it is larger than the sum of its proper divisors (343916701342).

679306540898 is a wasteful number, since it uses less digits than its factorization.

679306540898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1421143632.

The product of its (nonzero) digits is 78382080, while the sum is 65.

The spelling of 679306540898 in words is "six hundred seventy-nine billion, three hundred six million, five hundred forty thousand, eight hundred ninety-eight".