28316124641 has 16 divisors (see below), whose sum is σ = 32477875200. Its totient is φ = 24183636048.

The previous prime is 28316124623. The next prime is 28316124649. The reversal of 28316124641 is 14642161382.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 28316124641 - 2²² = 28311930337 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 28316124595 and 28316124604.

It is not an unprimeable number, because it can be changed into a prime (28316124649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3662606 + ... + 3670328.

It is an arithmetic number, because the mean of its divisors is an integer number (2029867200).

Almost surely, 2^28316124641 is an apocalyptic number.

It is an amenable number.

28316124641 is a deficient number, since it is larger than the sum of its proper divisors (4161750559).

28316124641 is a wasteful number, since it uses less digits than its factorization.

28316124641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9548.

The product of its digits is 55296, while the sum is 38.

The spelling of 28316124641 in words is "twenty-eight billion, three hundred sixteen million, one hundred twenty-four thousand, six hundred forty-one".