485778688 has 18 divisors (see below), whose sum is σ = 969660314. Its totient is φ = 242889216.

The previous prime is 485778679. The next prime is 485778703. The reversal of 485778688 is 886877584.

It can be written as a sum of positive squares in only one way, i.e., 485409024 + 369664 = 22032^2 + 608^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 948531 + ... + 949042.

Almost surely, 2^485778688 is an apocalyptic number.

It is an amenable number.

485778688 is a deficient number, since it is larger than the sum of its proper divisors (483881626).

485778688 is an equidigital number, since it uses as much as digits as its factorization.

485778688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1897589 (or 1897575 counting only the distinct ones).

The product of its digits is 24084480, while the sum is 61.

The square root of 485778688 is about 22040.3876553930. The cubic root of 485778688 is about 786.1030582666.

The spelling of 485778688 in words is "four hundred eighty-five million, seven hundred seventy-eight thousand, six hundred eighty-eight".