679207933 has 2 divisors, whose sum is σ = 679207934. Its totient is φ = 679207932.

The previous prime is 679207913. The next prime is 679207957. The reversal of 679207933 is 339702976.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 577056484 + 102151449 = 24022^2 + 10107^2 .

It is a cyclic number.

It is not a de Polignac number, because 679207933 - 2⁵ = 679207901 is a prime.

It is a super-2 number, since 2×679207933² = 922646832500264978, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (679207913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 339603966 + 339603967.

It is an arithmetic number, because the mean of its divisors is an integer number (339603967).

Almost surely, 2^679207933 is an apocalyptic number.

It is an amenable number.

679207933 is a deficient number, since it is larger than the sum of its proper divisors (1).

679207933 is an equidigital number, since it uses as much as digits as its factorization.

679207933 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 428652, while the sum is 46.

The square root of 679207933 is about 26061.6180042606. The cubic root of 679207933 is about 879.0243720062.

The spelling of 679207933 in words is "six hundred seventy-nine million, two hundred seven thousand, nine hundred thirty-three".