479662978438 has 64 divisors (see below), whose sum is σ = 866497471488. Its totient is φ = 194701288320.

The previous prime is 479662978433. The next prime is 479662978439. The reversal of 479662978438 is 834879266974.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (479662978433) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13366656 + ... + 13402492.

It is an arithmetic number, because the mean of its divisors is an integer number (13539022992).

Almost surely, 2^479662978438 is an apocalyptic number.

479662978438 is a deficient number, since it is larger than the sum of its proper divisors (386834493050).

479662978438 is a wasteful number, since it uses less digits than its factorization.

479662978438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36277.

The product of its digits is 877879296, while the sum is 73.

The spelling of 479662978438 in words is "four hundred seventy-nine billion, six hundred sixty-two million, nine hundred seventy-eight thousand, four hundred thirty-eight".