493878079 has 2 divisors, whose sum is σ = 493878080. Its totient is φ = 493878078.

The previous prime is 493878071. The next prime is 493878097. The reversal of 493878079 is 970878394.

Together with next prime (493878097) 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 493878079 - 2³ = 493878071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (493878071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 246939039 + 246939040.

It is an arithmetic number, because the mean of its divisors is an integer number (246939040).

Almost surely, 2^493878079 is an apocalyptic number.

493878079 is a deficient number, since it is larger than the sum of its proper divisors (1).

493878079 is an equidigital number, since it uses as much as digits as its factorization.

493878079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3048192, while the sum is 55.

The square root of 493878079 is about 22223.3678590802. The cubic root of 493878079 is about 790.4479001515.

The spelling of 493878079 in words is "four hundred ninety-three million, eight hundred seventy-eight thousand, seventy-nine".