499439077 has 4 divisors (see below), whose sum is σ = 500099596. Its totient is φ = 498778560.

The previous prime is 499439053. The next prime is 499439099. The reversal of 499439077 is 770934994.

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

It can be written as a sum of positive squares in 2 ways, for example, as 151019521 + 348419556 = 12289^2 + 18666^2 .

It is a cyclic number.

It is not a de Polignac number, because 499439077 - 2¹⁹ = 498914789 is a prime.

It is a super-2 number, since 2×499439077² = 498878783269223858, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (499439477) 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 3 ways as a sum of consecutive naturals, for example, 329124 + ... + 330637.

It is an arithmetic number, because the mean of its divisors is an integer number (125024899).

Almost surely, 2^499439077 is an apocalyptic number.

It is an amenable number.

499439077 is a deficient number, since it is larger than the sum of its proper divisors (660519).

499439077 is an equidigital number, since it uses as much as digits as its factorization.

499439077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 660518.

The product of its (nonzero) digits is 1714608, while the sum is 52.

The square root of 499439077 is about 22348.1336357200. The cubic root of 499439077 is about 793.4036116723.

The spelling of 499439077 in words is "four hundred ninety-nine million, four hundred thirty-nine thousand, seventy-seven".