499590779 has 4 divisors (see below), whose sum is σ = 500007960. Its totient is φ = 499173600.

The previous prime is 499590739. The next prime is 499590803. The reversal of 499590779 is 977095994.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 499590779 - 2⁸ = 499590523 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (499590739) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 206789 + ... + 209190.

It is an arithmetic number, because the mean of its divisors is an integer number (125001990).

Almost surely, 2^499590779 is an apocalyptic number.

499590779 is a deficient number, since it is larger than the sum of its proper divisors (417181).

499590779 is a wasteful number, since it uses less digits than its factorization.

499590779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417180.

The product of its (nonzero) digits is 6429780, while the sum is 59.

The square root of 499590779 is about 22351.5274422130. The cubic root of 499590779 is about 793.4839342688.

The spelling of 499590779 in words is "four hundred ninety-nine million, five hundred ninety thousand, seven hundred seventy-nine".