499992679 has 2 divisors, whose sum is σ = 499992680. Its totient is φ = 499992678.

The previous prime is 499992677. The next prime is 499992709. The reversal of 499992679 is 976299994.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 499992679 - 2¹ = 499992677 is a prime.

Together with 499992677, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 499992679.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (499992671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249996339 + 249996340.

It is an arithmetic number, because the mean of its divisors is an integer number (249996340).

Almost surely, 2^499992679 is an apocalyptic number.

499992679 is a deficient number, since it is larger than the sum of its proper divisors (1).

499992679 is an equidigital number, since it uses as much as digits as its factorization.

499992679 is an evil number, because the sum of its binary digits is even.

The product of its digits is 19840464, while the sum is 64.

The square root of 499992679 is about 22360.5160718620. The cubic root of 499992679 is about 793.6966521775.

It can be divided in two parts, 4999926 and 79, that added together give a palindrome (5000005).

The spelling of 499992679 in words is "four hundred ninety-nine million, nine hundred ninety-two thousand, six hundred seventy-nine".