8127143157 has 16 divisors (see below), whose sum is σ = 12511893632. Its totient is φ = 4596203520.

The previous prime is 8127143093. The next prime is 8127143161. The reversal of 8127143157 is 7513417218.

It is a happy number.

It is not a de Polignac number, because 8127143157 - 2⁶ = 8127143093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8127143177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1992844 + ... + 1996917.

It is an arithmetic number, because the mean of its divisors is an integer number (781993352).

Almost surely, 2^8127143157 is an apocalyptic number.

It is an amenable number.

8127143157 is a deficient number, since it is larger than the sum of its proper divisors (4384750475).

8127143157 is a wasteful number, since it uses less digits than its factorization.

8127143157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3989868.

The product of its digits is 47040, while the sum is 39.

The square root of 8127143157 is about 90150.6691988473. The cubic root of 8127143157 is about 2010.5396236846.

The spelling of 8127143157 in words is "eight billion, one hundred twenty-seven million, one hundred forty-three thousand, one hundred fifty-seven".