493777799 has 4 divisors (see below), whose sum is σ = 493941864. Its totient is φ = 493613736.

The previous prime is 493777793. The next prime is 493777813. The reversal of 493777799 is 997777394.

It is a happy number.

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 493777799 - 2⁴ = 493777783 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (493777793) 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, 77432 + ... + 83565.

It is an arithmetic number, because the mean of its divisors is an integer number (123485466).

Almost surely, 2^493777799 is an apocalyptic number.

493777799 is a deficient number, since it is larger than the sum of its proper divisors (164065).

493777799 is a wasteful number, since it uses less digits than its factorization.

493777799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164064.

The product of its digits is 21003948, while the sum is 62.

The square root of 493777799 is about 22221.1115608558. Note that the first 3 decimals coincide. The cubic root of 493777799 is about 790.3943974186.

The spelling of 493777799 in words is "four hundred ninety-three million, seven hundred seventy-seven thousand, seven hundred ninety-nine".