19700080798 has 4 divisors (see below), whose sum is σ = 29550121200. Its totient is φ = 9850040398.

The previous prime is 19700080753. The next prime is 19700080837. The reversal of 19700080798 is 89708000791.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 89708000791 = 17 ⋅5276941223.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 4925020198 + ... + 4925020201.

It is an arithmetic number, because the mean of its divisors is an integer number (7387530300).

Almost surely, 2^19700080798 is an apocalyptic number.

19700080798 is a deficient number, since it is larger than the sum of its proper divisors (9850040402).

19700080798 is an equidigital number, since it uses as much as digits as its factorization.

19700080798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9850040401.

The product of its (nonzero) digits is 254016, while the sum is 49.

The spelling of 19700080798 in words is "nineteen billion, seven hundred million, eighty thousand, seven hundred ninety-eight".