279672713 has 2 divisors, whose sum is σ = 279672714. Its totient is φ = 279672712.

The previous prime is 279672689. The next prime is 279672727. The reversal of 279672713 is 317276972.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 142969849 + 136702864 = 11957^2 + 11692^2 .

It is a cyclic number.

It is not a de Polignac number, because 279672713 - 2⁶ = 279672649 is a prime.

It is not a weakly prime, because it can be changed into another prime (279672313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 139836356 + 139836357.

It is an arithmetic number, because the mean of its divisors is an integer number (139836357).

Almost surely, 2^279672713 is an apocalyptic number.

It is an amenable number.

279672713 is a deficient number, since it is larger than the sum of its proper divisors (1).

279672713 is an equidigital number, since it uses as much as digits as its factorization.

279672713 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 222264, while the sum is 44.

The square root of 279672713 is about 16723.4181015724. The cubic root of 279672713 is about 653.9582632575.

The spelling of 279672713 in words is "two hundred seventy-nine million, six hundred seventy-two thousand, seven hundred thirteen".