19880927199 has 16 divisors (see below), whose sum is σ = 33660829440. Its totient is φ = 11360529720.

The previous prime is 19880927159. The next prime is 19880927203. The reversal of 19880927199 is 99172908891.

It is not a de Polignac number, because 19880927199 - 2⁹ = 19880926687 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19880927159) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52594857 + ... + 52595234.

It is an arithmetic number, because the mean of its divisors is an integer number (2103801840).

Almost surely, 2^19880927199 is an apocalyptic number.

19880927199 is a deficient number, since it is larger than the sum of its proper divisors (13779902241).

19880927199 is a wasteful number, since it uses less digits than its factorization.

19880927199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105190107 (or 105190101 counting only the distinct ones).

The product of its (nonzero) digits is 5878656, while the sum is 63.

The spelling of 19880927199 in words is "nineteen billion, eight hundred eighty million, nine hundred twenty-seven thousand, one hundred ninety-nine".