499660777 has 8 divisors (see below), whose sum is σ = 622953792. Its totient is φ = 389346000.

The previous prime is 499660771. The next prime is 499660781. The reversal of 499660777 is 777066994.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 499660777 - 2³ = 499660769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (499660771) 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 in 7 ways as a sum of consecutive naturals, for example, 3244474 + ... + 3244627.

It is an arithmetic number, because the mean of its divisors is an integer number (77869224).

Almost surely, 2^499660777 is an apocalyptic number.

It is an amenable number.

499660777 is a deficient number, since it is larger than the sum of its proper divisors (123293015).

499660777 is a wasteful number, since it uses less digits than its factorization.

499660777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6489119.

The product of its (nonzero) digits is 4000752, while the sum is 55.

The square root of 499660777 is about 22353.0932311392. The cubic root of 499660777 is about 793.5209910607.

The spelling of 499660777 in words is "four hundred ninety-nine million, six hundred sixty thousand, seven hundred seventy-seven".