28471850153604 has 567 divisors, whose sum is σ = 89044271002197. Its totient is φ = 7952628340800.

The previous prime is 28471850153507. The next prime is 28471850153627. The reversal of 28471850153604 is 40635105817482.

It is a happy number.

The square root of 28471850153604 is 5335902.

It is a perfect power (a square), and thus also a powerful number.

28471850153604 is a `hidden beast` number, since 2 + 8 + 4 + 7 + 18 + 5 + 0 + 15 + 3 + 604 = 666.

It can be written as a sum of positive squares in only one way, i.e., 4211812152900 + 24260038000704 = 2052270^2 + 4925448^2 .

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 188 ways as a sum of consecutive naturals, for example, 41203834899 + ... + 41203835589.

Almost surely, 2^{28471850153604} is an apocalyptic number.

28471850153604 is the 5335902-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28471850153604

28471850153604 is an abundant number, since it is smaller than the sum of its proper divisors (60572420848593).

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

28471850153604 is an equidigital number, since it uses as much as digits as its factorization.

28471850153604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1452 (or 720 counting only the distinct ones).

The product of its (nonzero) digits is 6451200, while the sum is 54.

The spelling of 28471850153604 in words is "twenty-eight trillion, four hundred seventy-one billion, eight hundred fifty million, one hundred fifty-three thousand, six hundred four".