485831907 has 24 divisors (see below), whose sum is σ = 790253568. Its totient is φ = 284943600.

The previous prime is 485831897. The next prime is 485831923. The reversal of 485831907 is 709138584.

485831907 is a `hidden beast` number, since 485 + 83 + 1 + 90 + 7 = 666.

It is not a de Polignac number, because 485831907 - 2⁸ = 485831651 is a prime.

It is not an unprimeable number, because it can be changed into a prime (485831107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 76083 + ... + 82220.

It is an arithmetic number, because the mean of its divisors is an integer number (32927232).

Almost surely, 2^485831907 is an apocalyptic number.

485831907 is a deficient number, since it is larger than the sum of its proper divisors (304421661).

485831907 is a wasteful number, since it uses less digits than its factorization.

485831907 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158351 (or 158348 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 45.

The square root of 485831907 is about 22041.5949286797. The cubic root of 485831907 is about 786.1317641307.

The spelling of 485831907 in words is "four hundred eighty-five million, eight hundred thirty-one thousand, nine hundred seven".