1679057279 has 2 divisors, whose sum is σ = 1679057280. Its totient is φ = 1679057278.

The previous prime is 1679057267. The next prime is 1679057321. The reversal of 1679057279 is 9727509761.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1679057279 - 2¹² = 1679053183 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1679057279.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1679057239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 839528639 + 839528640.

It is an arithmetic number, because the mean of its divisors is an integer number (839528640).

Almost surely, 2^1679057279 is an apocalyptic number.

1679057279 is a deficient number, since it is larger than the sum of its proper divisors (1).

1679057279 is an equidigital number, since it uses as much as digits as its factorization.

1679057279 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1666980, while the sum is 53.

The square root of 1679057279 is about 40976.3014314372. The cubic root of 1679057279 is about 1188.5619894221.

The spelling of 1679057279 in words is "one billion, six hundred seventy-nine million, fifty-seven thousand, two hundred seventy-nine".