485663997 has 64 divisors (see below), whose sum is σ = 847616000. Its totient is φ = 240185088.

The previous prime is 485663989. The next prime is 485663999. The reversal of 485663997 is 799366584.

It is a happy number.

It is not a de Polignac number, because 485663997 - 2³ = 485663989 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (485663999) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 564954 + ... + 565812.

It is an arithmetic number, because the mean of its divisors is an integer number (13244000).

Almost surely, 2^485663997 is an apocalyptic number.

It is an amenable number.

485663997 is a deficient number, since it is larger than the sum of its proper divisors (361952003).

485663997 is a wasteful number, since it uses less digits than its factorization.

485663997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1010.

The product of its digits is 9797760, while the sum is 57.

The square root of 485663997 is about 22037.7856646261. The cubic root of 485663997 is about 786.0411878137.

The spelling of 485663997 in words is "four hundred eighty-five million, six hundred sixty-three thousand, nine hundred ninety-seven".