8157127914 has 48 divisors (see below), whose sum is σ = 19123619424. Its totient is φ = 2497975200.

The previous prime is 8157127903. The next prime is 8157127931. The reversal of 8157127914 is 4197217518.

It is a happy number.

8157127914 is a `hidden beast` number, since 8 + 1 + 571 + 2 + 79 + 1 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 8157127914.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 33232 + ... + 131979.

It is an arithmetic number, because the mean of its divisors is an integer number (398408738).

Almost surely, 2^8157127914 is an apocalyptic number.

8157127914 is an abundant number, since it is smaller than the sum of its proper divisors (10966491510).

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

8157127914 is a wasteful number, since it uses less digits than its factorization.

8157127914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165443 (or 165440 counting only the distinct ones).

The product of its digits is 141120, while the sum is 45.

The square root of 8157127914 is about 90316.8196627848. The cubic root of 8157127914 is about 2013.0091898512.

The spelling of 8157127914 in words is "eight billion, one hundred fifty-seven million, one hundred twenty-seven thousand, nine hundred fourteen".