15799944398 has 16 divisors (see below), whose sum is σ = 28678891104. Its totient is φ = 6373086720.

The previous prime is 15799944373. The next prime is 15799944409. The reversal of 15799944398 is 89344999751.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33192923 + ... + 33193398.

It is an arithmetic number, because the mean of its divisors is an integer number (1792430694).

Almost surely, 2^15799944398 is an apocalyptic number.

15799944398 is a deficient number, since it is larger than the sum of its proper divisors (12878946706).

15799944398 is a wasteful number, since it uses less digits than its factorization.

15799944398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66386347.

The product of its digits is 88179840, while the sum is 68.

The spelling of 15799944398 in words is "fifteen billion, seven hundred ninety-nine million, nine hundred forty-four thousand, three hundred ninety-eight".