485449779 has 4 divisors (see below), whose sum is σ = 647266376. Its totient is φ = 323633184.

The previous prime is 485449721. The next prime is 485449787. The reversal of 485449779 is 977944584.

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 485449779 - 2¹⁵ = 485417011 is a prime.

It is a super-2 number, since 2×485449779² = 471322975862297682, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (485449709) 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, 80908294 + ... + 80908299.

It is an arithmetic number, because the mean of its divisors is an integer number (161816594).

Almost surely, 2^485449779 is an apocalyptic number.

485449779 is a deficient number, since it is larger than the sum of its proper divisors (161816597).

485449779 is a wasteful number, since it uses less digits than its factorization.

485449779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161816596.

The product of its digits is 10160640, while the sum is 57.

The square root of 485449779 is about 22032.9248852711. The cubic root of 485449779 is about 785.9256010875.

The spelling of 485449779 in words is "four hundred eighty-five million, four hundred forty-nine thousand, seven hundred seventy-nine".