15804797328 has 40 divisors (see below), whose sum is σ = 45365623200. Its totient is φ = 5268265632.

The previous prime is 15804797317. The next prime is 15804797353. The reversal of 15804797328 is 82379740851.

It is a happy number.

15804797328 is a `hidden beast` number, since 1 + 5 + 80 + 479 + 73 + 28 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18292158 + ... + 18293021.

It is an arithmetic number, because the mean of its divisors is an integer number (1134140580).

Almost surely, 2^15804797328 is an apocalyptic number.

15804797328 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

15804797328 is an abundant number, since it is smaller than the sum of its proper divisors (29560825872).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

15804797328 is a wasteful number, since it uses less digits than its factorization.

15804797328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36585196 (or 36585184 counting only the distinct ones).

The product of its (nonzero) digits is 3386880, while the sum is 54.

The spelling of 15804797328 in words is "fifteen billion, eight hundred four million, seven hundred ninety-seven thousand, three hundred twenty-eight".