479662978469 has 16 divisors (see below), whose sum is σ = 488685225600. Its totient is φ = 470671325184.

The previous prime is 479662978453. The next prime is 479662978477. The reversal of 479662978469 is 964879266974.

It is a cyclic number.

It is not a de Polignac number, because 479662978469 - 2⁴ = 479662978453 is a prime.

It is a super-2 number, since 2×479662978469² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 479662978469.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (479662978439) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 111833477 + ... + 111837765.

It is an arithmetic number, because the mean of its divisors is an integer number (30542826600).

Almost surely, 2^479662978469 is an apocalyptic number.

It is an amenable number.

479662978469 is a deficient number, since it is larger than the sum of its proper divisors (9022247131).

479662978469 is a wasteful number, since it uses less digits than its factorization.

479662978469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7372.

The product of its digits is 1975228416, while the sum is 77.

The spelling of 479662978469 in words is "four hundred seventy-nine billion, six hundred sixty-two million, nine hundred seventy-eight thousand, four hundred sixty-nine".