485057779 has 4 divisors (see below), whose sum is σ = 486358576. Its totient is φ = 483756984.

The previous prime is 485057777. The next prime is 485057801. The reversal of 485057779 is 977750584.

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 485057779 - 2¹ = 485057777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (485057777) 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 3 ways as a sum of consecutive naturals, for example, 649839 + ... + 650584.

It is an arithmetic number, because the mean of its divisors is an integer number (121589644).

Almost surely, 2^485057779 is an apocalyptic number.

485057779 is a deficient number, since it is larger than the sum of its proper divisors (1300797).

485057779 is a wasteful number, since it uses less digits than its factorization.

485057779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1300796.

The product of its (nonzero) digits is 2469600, while the sum is 52.

The square root of 485057779 is about 22024.0273110982. The cubic root of 485057779 is about 785.7139995229.

The spelling of 485057779 in words is "four hundred eighty-five million, fifty-seven thousand, seven hundred seventy-nine".