485816779 has 8 divisors (see below), whose sum is σ = 573129728. Its totient is φ = 402981480.

The previous prime is 485816759. The next prime is 485816789. The reversal of 485816779 is 977618584.

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 485816779 - 2⁷ = 485816651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (485816759) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1119177 + ... + 1119610.

It is an arithmetic number, because the mean of its divisors is an integer number (71641216).

Almost surely, 2^485816779 is an apocalyptic number.

485816779 is a deficient number, since it is larger than the sum of its proper divisors (87312949).

485816779 is a wasteful number, since it uses less digits than its factorization.

485816779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2238825.

The product of its digits is 3386880, while the sum is 55.

The square root of 485816779 is about 22041.2517566494. The cubic root of 485816779 is about 786.1236044328.

The spelling of 485816779 in words is "four hundred eighty-five million, eight hundred sixteen thousand, seven hundred seventy-nine".