493706779 has 4 divisors (see below), whose sum is σ = 505188376. Its totient is φ = 482225184.

The previous prime is 493706777. The next prime is 493706783. The reversal of 493706779 is 977607394.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 493706779 - 2¹ = 493706777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (493706771) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5740734 + ... + 5740819.

It is an arithmetic number, because the mean of its divisors is an integer number (126297094).

Almost surely, 2^493706779 is an apocalyptic number.

493706779 is a deficient number, since it is larger than the sum of its proper divisors (11481597).

493706779 is a wasteful number, since it uses less digits than its factorization.

493706779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11481596.

The product of its (nonzero) digits is 2000376, while the sum is 52.

The square root of 493706779 is about 22219.5134735214. The cubic root of 493706779 is about 790.3565014920.

The spelling of 493706779 in words is "four hundred ninety-three million, seven hundred six thousand, seven hundred seventy-nine".