499977722279999 has 2 divisors, whose sum is σ = 499977722280000. Its totient is φ = 499977722279998.

The previous prime is 499977722279951. The next prime is 499977722280037. The reversal of 499977722279999 is 999972227779994.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 499977722279999 - 2⁸ = 499977722279743 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 499977722279899 and 499977722279908.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (499977722279909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249988861139999 + 249988861140000.

It is an arithmetic number, because the mean of its divisors is an integer number (249988861140000).

Almost surely, 2^{499977722279999} is an apocalyptic number.

499977722279999 is a deficient number, since it is larger than the sum of its proper divisors (1).

499977722279999 is an equidigital number, since it uses as much as digits as its factorization.

499977722279999 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 367485074208, while the sum is 101.

The spelling of 499977722279999 in words is "four hundred ninety-nine trillion, nine hundred seventy-seven billion, seven hundred twenty-two million, two hundred seventy-nine thousand, nine hundred ninety-nine".