667363079 has 2 divisors, whose sum is σ = 667363080. Its totient is φ = 667363078.

The previous prime is 667363063. The next prime is 667363097. The reversal of 667363079 is 970363766.

Together with next prime (667363097) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 667363079 - 2⁴ = 667363063 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (667363019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 333681539 + 333681540.

It is an arithmetic number, because the mean of its divisors is an integer number (333681540).

Almost surely, 2^667363079 is an apocalyptic number.

667363079 is a deficient number, since it is larger than the sum of its proper divisors (1).

667363079 is an equidigital number, since it uses as much as digits as its factorization.

667363079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 857304, while the sum is 47.

The square root of 667363079 is about 25833.3714214773. The cubic root of 667363079 is about 873.8845449831.

The spelling of 667363079 in words is "six hundred sixty-seven million, three hundred sixty-three thousand, seventy-nine".