8019927199 has 4 divisors (see below), whose sum is σ = 8278634560. Its totient is φ = 7761219840.

The previous prime is 8019927197. The next prime is 8019927239. The reversal of 8019927199 is 9917299108.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 8019927199 - 2¹ = 8019927197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8019927197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 129353634 + ... + 129353695.

It is an arithmetic number, because the mean of its divisors is an integer number (2069658640).

Almost surely, 2^8019927199 is an apocalyptic number.

8019927199 is a deficient number, since it is larger than the sum of its proper divisors (258707361).

8019927199 is a wasteful number, since it uses less digits than its factorization.

8019927199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258707360.

The product of its (nonzero) digits is 734832, while the sum is 55.

The square root of 8019927199 is about 89554.0462458286. The cubic root of 8019927199 is about 2001.6592230255.

The spelling of 8019927199 in words is "eight billion, nineteen million, nine hundred twenty-seven thousand, one hundred ninety-nine".