84145175727 has 32 divisors (see below), whose sum is σ = 113895806400. Its totient is φ = 55253775360.

The previous prime is 84145175713. The next prime is 84145175729. The reversal of 84145175727 is 72757154148.

It is not a de Polignac number, because 84145175727 - 2⁷ = 84145175599 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 84145175727.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84145175729) 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 31 ways as a sum of consecutive naturals, for example, 35339077 + ... + 35341457.

It is an arithmetic number, because the mean of its divisors is an integer number (3559243950).

Almost surely, 2^84145175727 is an apocalyptic number.

84145175727 is a deficient number, since it is larger than the sum of its proper divisors (29750630673).

84145175727 is a wasteful number, since it uses less digits than its factorization.

84145175727 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3163.

The product of its digits is 2195200, while the sum is 51.

The spelling of 84145175727 in words is "eighty-four billion, one hundred forty-five million, one hundred seventy-five thousand, seven hundred twenty-seven".