679900147 has 2 divisors, whose sum is σ = 679900148. Its totient is φ = 679900146.

The previous prime is 679900141. The next prime is 679900181. The reversal of 679900147 is 741009976.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 679900147 - 2³ = 679900139 is a prime.

It is not a weakly prime, because it can be changed into another prime (679900141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 339950073 + 339950074.

It is an arithmetic number, because the mean of its divisors is an integer number (339950074).

Almost surely, 2^679900147 is an apocalyptic number.

679900147 is a deficient number, since it is larger than the sum of its proper divisors (1).

679900147 is an equidigital number, since it uses as much as digits as its factorization.

679900147 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 95256, while the sum is 43.

The square root of 679900147 is about 26074.8949566436. The cubic root of 679900147 is about 879.3228895174.

The spelling of 679900147 in words is "six hundred seventy-nine million, nine hundred thousand, one hundred forty-seven".