28825145076415 has 4 divisors (see below), whose sum is σ = 34590174091704. Its totient is φ = 23060116061128.

The previous prime is 28825145076401. The next prime is 28825145076509. The reversal of 28825145076415 is 51467054152882.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 28825145076415 - 2³³ = 28816555141823 is a prime.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 28825145076415.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2882514507637 + ... + 2882514507646.

It is an arithmetic number, because the mean of its divisors is an integer number (8647543522926).

Almost surely, 2^{28825145076415} is an apocalyptic number.

28825145076415 is a deficient number, since it is larger than the sum of its proper divisors (5765029015289).

28825145076415 is an equidigital number, since it uses as much as digits as its factorization.

28825145076415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5765029015288.

The product of its (nonzero) digits is 21504000, while the sum is 58.

The spelling of 28825145076415 in words is "twenty-eight trillion, eight hundred twenty-five billion, one hundred forty-five million, seventy-six thousand, four hundred fifteen".