19880101007 has 16 divisors (see below), whose sum is σ = 21553342272. Its totient is φ = 18227596800.

The previous prime is 19880101001. The next prime is 19880101049. The reversal of 19880101007 is 70010108891.

It is a cyclic number.

It is not a de Polignac number, because 19880101007 - 2¹⁰ = 19880099983 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 (19880101001) 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, 4124663 + ... + 4129479.

It is an arithmetic number, because the mean of its divisors is an integer number (1347083892).

Almost surely, 2^19880101007 is an apocalyptic number.

19880101007 is a deficient number, since it is larger than the sum of its proper divisors (1673241265).

19880101007 is a wasteful number, since it uses less digits than its factorization.

19880101007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6898.

The product of its (nonzero) digits is 4032, while the sum is 35.

Adding to 19880101007 its reverse (70010108891), we get a palindrome (89890209898).

The spelling of 19880101007 in words is "nineteen billion, eight hundred eighty million, one hundred one thousand, seven".