8475139528127 has 4 divisors (see below), whose sum is σ = 8494803425376. Its totient is φ = 8455475630880.

The previous prime is 8475139528123. The next prime is 8475139528139. The reversal of 8475139528127 is 7218259315748.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 8475139528127 - 2² = 8475139528123 is a prime.

It is a super-3 number, since 3×8475139528127³ (a number of 40 digits) contains 333 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 8475139528127.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8475139528123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9831947978 + ... + 9831948839.

It is an arithmetic number, because the mean of its divisors is an integer number (2123700856344).

Almost surely, 2^{8475139528127} is an apocalyptic number.

8475139528127 is a deficient number, since it is larger than the sum of its proper divisors (19663897249).

8475139528127 is a wasteful number, since it uses less digits than its factorization.

8475139528127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19663897248.

The product of its digits is 33868800, while the sum is 62.

The spelling of 8475139528127 in words is "eight trillion, four hundred seventy-five billion, one hundred thirty-nine million, five hundred twenty-eight thousand, one hundred twenty-seven".