15828827345 has 8 divisors (see below), whose sum is σ = 18998111400. Its totient is φ = 12660716160.

The previous prime is 15828827341. The next prime is 15828827351. The reversal of 15828827345 is 54372882851.

It can be written as a sum of positive squares in 4 ways, for example, as 2325457729 + 13503369616 = 48223^2 + 116204^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 15828827345 - 2² = 15828827341 is a prime.

It is not an unprimeable number, because it can be changed into a prime (15828827341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 263246 + ... + 317735.

It is an arithmetic number, because the mean of its divisors is an integer number (2374763925).

Almost surely, 2^15828827345 is an apocalyptic number.

It is an amenable number.

15828827345 is a deficient number, since it is larger than the sum of its proper divisors (3169284055).

15828827345 is an equidigital number, since it uses as much as digits as its factorization.

15828827345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 586435.

The product of its digits is 4300800, while the sum is 53.

The spelling of 15828827345 in words is "fifteen billion, eight hundred twenty-eight million, eight hundred twenty-seven thousand, three hundred forty-five".