28346024825 has 12 divisors (see below), whose sum is σ = 37216663740. Its totient is φ = 21342888960.

The previous prime is 28346024771. The next prime is 28346024827. The reversal of 28346024825 is 52842064382.

It can be written as a sum of positive squares in 6 ways, for example, as 2339947129 + 26006077696 = 48373^2 + 161264^2 .

It is not a de Polignac number, because 28346024825 - 2⁶ = 28346024761 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28346024827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33347840 + ... + 33348689.

It is an arithmetic number, because the mean of its divisors is an integer number (3101388645).

Almost surely, 2^28346024825 is an apocalyptic number.

28346024825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

28346024825 is a deficient number, since it is larger than the sum of its proper divisors (8870638915).

28346024825 is a wasteful number, since it uses less digits than its factorization.

28346024825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66696556 (or 66696551 counting only the distinct ones).

The product of its (nonzero) digits is 737280, while the sum is 44.

The spelling of 28346024825 in words is "twenty-eight billion, three hundred forty-six million, twenty-four thousand, eight hundred twenty-five".