499561787 has 2 divisors, whose sum is σ = 499561788. Its totient is φ = 499561786.

The previous prime is 499561697. The next prime is 499561789. The reversal of 499561787 is 787165994.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 499561787 - 2¹² = 499557691 is a prime.

Together with 499561789, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (499561789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249780893 + 249780894.

It is an arithmetic number, because the mean of its divisors is an integer number (249780894).

Almost surely, 2^499561787 is an apocalyptic number.

499561787 is a deficient number, since it is larger than the sum of its proper divisors (1).

499561787 is an equidigital number, since it uses as much as digits as its factorization.

499561787 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3810240, while the sum is 56.

The square root of 499561787 is about 22350.8788865226. The cubic root of 499561787 is about 793.4685849521.

The spelling of 499561787 in words is "four hundred ninety-nine million, five hundred sixty-one thousand, seven hundred eighty-seven".