8746497479538 has 768 divisors, whose sum is σ = 25699103539200. Its totient is φ = 2183176074240.

The previous prime is 8746497479509. The next prime is 8746497479617. The reversal of 8746497479538 is 8359747946478.

8746497479538 is a `hidden beast` number, since 8 + 7 + 4 + 6 + 4 + 9 + 7 + 4 + 79 + 538 = 666.

It is an unprimeable number.

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 383 ways as a sum of consecutive naturals, for example, 8418187623 + ... + 8418188661.

It is an arithmetic number, because the mean of its divisors is an integer number (33462374400).

Almost surely, 2^{8746497479538} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8746497479538, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12849551769600).

8746497479538 is an abundant number, since it is smaller than the sum of its proper divisors (16952606059662).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8746497479538 is a wasteful number, since it uses less digits than its factorization.

8746497479538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1292 (or 1279 counting only the distinct ones).

The product of its digits is 10241925120, while the sum is 81.

The spelling of 8746497479538 in words is "eight trillion, seven hundred forty-six billion, four hundred ninety-seven million, four hundred seventy-nine thousand, five hundred thirty-eight".