499777 has 4 divisors (see below), whose sum is σ = 501696. Its totient is φ = 497860.

The previous prime is 499747. The next prime is 499781. The reversal of 499777 is 777994.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 499777 - 2⁷ = 499649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (499717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 493 + ... + 1114.

It is an arithmetic number, because the mean of its divisors is an integer number (125424).

2⁴⁹⁹⁷⁷⁷ is an apocalyptic number.

It is an amenable number.

499777 is a deficient number, since it is larger than the sum of its proper divisors (1919).

499777 is a wasteful number, since it uses less digits than its factorization.

499777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1918.

The product of its digits is 111132, while the sum is 43.

The square root of 499777 is about 706.9490787886. The cubic root of 499777 is about 79.3582511626.

The spelling of 499777 in words is "four hundred ninety-nine thousand, seven hundred seventy-seven".