477438508485 has 48 divisors (see below), whose sum is σ = 855050421888. Its totient is φ = 246310646400.

The previous prime is 477438508403. The next prime is 477438508489. The reversal of 477438508485 is 584805834774.

It is a happy number.

477438508485 is a `hidden beast` number, since 4 + 7 + 7 + 43 + 8 + 508 + 4 + 85 = 666.

It is not a de Polignac number, because 477438508485 - 2¹³ = 477438500293 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (477438508489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1240411 + ... + 1579080.

It is an arithmetic number, because the mean of its divisors is an integer number (17813550456).

Almost surely, 2^477438508485 is an apocalyptic number.

477438508485 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

477438508485 is a deficient number, since it is larger than the sum of its proper divisors (377611913403).

477438508485 is a wasteful number, since it uses less digits than its factorization.

477438508485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2819626 (or 2819623 counting only the distinct ones).

The product of its (nonzero) digits is 120422400, while the sum is 63.

The spelling of 477438508485 in words is "four hundred seventy-seven billion, four hundred thirty-eight million, five hundred eight thousand, four hundred eighty-five".