679086061 has 2 divisors, whose sum is σ = 679086062. Its totient is φ = 679086060.

The previous prime is 679086059. The next prime is 679086091. The reversal of 679086061 is 160680976.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 656333161 + 22752900 = 25619^2 + 4770^2 .

It is a cyclic number.

It is not a de Polignac number, because 679086061 - 2¹ = 679086059 is a prime.

It is a super-2 number, since 2×679086061² = 922315756488991442, which contains 22 as substring.

Together with 679086059, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 679085999 and 679086017.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (679086091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 339543030 + 339543031.

It is an arithmetic number, because the mean of its divisors is an integer number (339543031).

Almost surely, 2^679086061 is an apocalyptic number.

It is an amenable number.

679086061 is a deficient number, since it is larger than the sum of its proper divisors (1).

679086061 is an equidigital number, since it uses as much as digits as its factorization.

679086061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108864, while the sum is 43.

The square root of 679086061 is about 26059.2797482970. The cubic root of 679086061 is about 878.9717936713.

The spelling of 679086061 in words is "six hundred seventy-nine million, eighty-six thousand, sixty-one".