485145977 has 8 divisors (see below), whose sum is σ = 487061640. Its totient is φ = 483235200.

The previous prime is 485145971. The next prime is 485145979. The reversal of 485145977 is 779541584.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 89401 + 485056576 = 299^2 + 22024^2 .

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 485145977 - 2²² = 480951673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (485145971) 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, 429149 + ... + 430277.

It is an arithmetic number, because the mean of its divisors is an integer number (60882705).

Almost surely, 2^485145977 is an apocalyptic number.

It is an amenable number.

485145977 is a deficient number, since it is larger than the sum of its proper divisors (1915663).

485145977 is a wasteful number, since it uses less digits than its factorization.

485145977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2443.

The product of its digits is 1411200, while the sum is 50.

The square root of 485145977 is about 22026.0295332591. The cubic root of 485145977 is about 785.7616187321.

The spelling of 485145977 in words is "four hundred eighty-five million, one hundred forty-five thousand, nine hundred seventy-seven".