2142078896 has 20 divisors (see below), whose sum is σ = 4153493832. Its totient is φ = 1070209536.

The previous prime is 2142078853. The next prime is 2142078919. The reversal of 2142078896 is 6988702412.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 2142078896.

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 3 ways as a sum of consecutive naturals, for example, 30305 + ... + 72128.

Almost surely, 2^2142078896 is an apocalyptic number.

It is an amenable number.

2142078896 is a deficient number, since it is larger than the sum of its proper divisors (2011414936).

2142078896 is a wasteful number, since it uses less digits than its factorization.

2142078896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103748 (or 103742 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 47.

The square root of 2142078896 is about 46282.5981984590. The cubic root of 2142078896 is about 1289.0758952641.

The spelling of 2142078896 in words is "two billion, one hundred forty-two million, seventy-eight thousand, eight hundred ninety-six".