679768861060 has 48 divisors (see below), whose sum is σ = 1466271125424. Its totient is φ = 264527106048.

The previous prime is 679768861049. The next prime is 679768861067. The reversal of 679768861060 is 60168867976.

It can be written as a sum of positive squares in 8 ways, for example, as 42399751744 + 637369109316 = 205912^2 + 798354^2 .

It is a junction number, because it is equal to n+sod(n) for n = 679768860983 and 679768861001.

It is not an unprimeable number, because it can be changed into a prime (679768861067) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 6711112 + ... + 6811648.

It is an arithmetic number, because the mean of its divisors is an integer number (30547315113).

Almost surely, 2^679768861060 is an apocalyptic number.

It is an amenable number.

679768861060 is an abundant number, since it is smaller than the sum of its proper divisors (786502264364).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

679768861060 is a wasteful number, since it uses less digits than its factorization.

679768861060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109720 (or 109718 counting only the distinct ones).

The product of its (nonzero) digits is 36578304, while the sum is 64.

The spelling of 679768861060 in words is "six hundred seventy-nine billion, seven hundred sixty-eight million, eight hundred sixty-one thousand, sixty".