15794847720 has 160 divisors (see below), whose sum is σ = 54323327520. Its totient is φ = 4113970560.

The previous prime is 15794847703. The next prime is 15794847743. The reversal of 15794847720 is 2774849751.

15794847720 is a `hidden beast` number, since 1 + 5 + 79 + 484 + 77 + 20 = 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 polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 82635 + ... + 196005.

It is an arithmetic number, because the mean of its divisors is an integer number (339520797).

Almost surely, 2^15794847720 is an apocalyptic number.

15794847720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15794847720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27161663760).

15794847720 is an abundant number, since it is smaller than the sum of its proper divisors (38528479800).

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

15794847720 is a wasteful number, since it uses less digits than its factorization.

15794847720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113437 (or 113424 counting only the distinct ones).

The product of its (nonzero) digits is 3951360, while the sum is 54.

The spelling of 15794847720 in words is "fifteen billion, seven hundred ninety-four million, eight hundred forty-seven thousand, seven hundred twenty".