485578911 has 4 divisors (see below), whose sum is σ = 647438552. Its totient is φ = 323719272.

The previous prime is 485578903. The next prime is 485578913. The reversal of 485578911 is 119875584.

It is a happy number.

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

It is not a de Polignac number, because 485578911 - 2³ = 485578903 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (485578913) 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, 80929816 + ... + 80929821.

It is an arithmetic number, because the mean of its divisors is an integer number (161859638).

Almost surely, 2^485578911 is an apocalyptic number.

485578911 is a deficient number, since it is larger than the sum of its proper divisors (161859641).

485578911 is a wasteful number, since it uses less digits than its factorization.

485578911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161859640.

The product of its digits is 403200, while the sum is 48.

The square root of 485578911 is about 22035.8551229581. The cubic root of 485578911 is about 785.9952815857.

The spelling of 485578911 in words is "four hundred eighty-five million, five hundred seventy-eight thousand, nine hundred eleven".