487638582456238 has 16 divisors (see below), whose sum is σ = 739650492453600. Its totient is φ = 241103547795456.

The previous prime is 487638582456211. The next prime is 487638582456271. The reversal of 487638582456238 is 832654285836784.

It is a super-2 number, since 2×487638582456238² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3782307963 + ... + 3782436886.

It is an arithmetic number, because the mean of its divisors is an integer number (46228155778350).

Almost surely, 2^{487638582456238} is an apocalyptic number.

487638582456238 is a deficient number, since it is larger than the sum of its proper divisors (252011909997362).

487638582456238 is a wasteful number, since it uses less digits than its factorization.

487638582456238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7564745211.

The product of its digits is 14863564800, while the sum is 79.

The spelling of 487638582456238 in words is "four hundred eighty-seven trillion, six hundred thirty-eight billion, five hundred eighty-two million, four hundred fifty-six thousand, two hundred thirty-eight".