19127087396 has 96 divisors (see below), whose sum is σ = 37063065312. Its totient is φ = 8599633920.

The previous prime is 19127087393. The next prime is 19127087401. The reversal of 19127087396 is 69378072191.

It can be written as a sum of positive squares in 16 ways, for example, as 6188024896 + 12939062500 = 78664^2 + 113750^2 .

It is not an unprimeable number, because it can be changed into a prime (19127087393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 44173196 + ... + 44173628.

It is an arithmetic number, because the mean of its divisors is an integer number (386073597).

Almost surely, 2^19127087396 is an apocalyptic number.

It is an amenable number.

19127087396 is a deficient number, since it is larger than the sum of its proper divisors (17935977916).

19127087396 is a wasteful number, since it uses less digits than its factorization.

19127087396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 769 (or 767 counting only the distinct ones).

The product of its (nonzero) digits is 1143072, while the sum is 53.

The spelling of 19127087396 in words is "nineteen billion, one hundred twenty-seven million, eighty-seven thousand, three hundred ninety-six".