493988077 has 8 divisors (see below), whose sum is σ = 543933792. Its totient is φ = 444882000.

The previous prime is 493988021. The next prime is 493988081. The reversal of 493988077 is 770889394.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 493988077 - 2²⁷ = 359770349 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 (493988017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 208674 + ... + 211027.

It is an arithmetic number, because the mean of its divisors is an integer number (67991724).

Almost surely, 2^493988077 is an apocalyptic number.

It is an amenable number.

493988077 is a deficient number, since it is larger than the sum of its proper divisors (49945715).

493988077 is a wasteful number, since it uses less digits than its factorization.

493988077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 419819.

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

The square root of 493988077 is about 22225.8425487089. The cubic root of 493988077 is about 790.5065794339.

It can be divided in two parts, 49398 and 8077, that added together give a palindrome (57475).

The spelling of 493988077 in words is "four hundred ninety-three million, nine hundred eighty-eight thousand, seventy-seven".