994777499 has 2 divisors, whose sum is σ = 994777500. Its totient is φ = 994777498.

The previous prime is 994777481. The next prime is 994777501.

994777499 is nontrivially palindromic in base 10.

It is a strong prime.

It is a palprime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-994777499 is a prime.

Together with 994777501, 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 (994777409) 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 as a sum of consecutive naturals, namely, 497388749 + 497388750.

It is an arithmetic number, because the mean of its divisors is an integer number (497388750).

Almost surely, 2^994777499 is an apocalyptic number.

994777499 is a deficient number, since it is larger than the sum of its proper divisors (1).

994777499 is an equidigital number, since it uses as much as digits as its factorization.

994777499 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36006768, while the sum is 65.

The square root of 994777499 is about 31540.0935160313. The cubic root of 994777499 is about 998.2561270081.

The spelling of 994777499 in words is "nine hundred ninety-four million, seven hundred seventy-seven thousand, four hundred ninety-nine".