499220087 has 2 divisors, whose sum is σ = 499220088. Its totient is φ = 499220086.

The previous prime is 499220069. The next prime is 499220107. The reversal of 499220087 is 780022994.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 499220087 - 2⁶ = 499220023 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (499220047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249610043 + 249610044.

It is an arithmetic number, because the mean of its divisors is an integer number (249610044).

Almost surely, 2^499220087 is an apocalyptic number.

499220087 is a deficient number, since it is larger than the sum of its proper divisors (1).

499220087 is an equidigital number, since it uses as much as digits as its factorization.

499220087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72576, while the sum is 41.

The square root of 499220087 is about 22343.2335842420. The cubic root of 499220087 is about 793.2876329903.

The spelling of 499220087 in words is "four hundred ninety-nine million, two hundred twenty thousand, eighty-seven".