28846440193 has 8 divisors (see below), whose sum is σ = 29129256288. Its totient is φ = 28563869184.

The previous prime is 28846440187. The next prime is 28846440229. The reversal of 28846440193 is 39104464882.

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

It is a cyclic number.

It is not a de Polignac number, because 28846440193 - 2²¹ = 28844343041 is a prime.

It is a super-2 number, since 2×28846440193² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28846440113) 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 7 ways as a sum of consecutive naturals, for example, 179905 + ... + 300097.

It is an arithmetic number, because the mean of its divisors is an integer number (3641157036).

Almost surely, 2^28846440193 is an apocalyptic number.

It is an amenable number.

28846440193 is a deficient number, since it is larger than the sum of its proper divisors (282816095).

28846440193 is a wasteful number, since it uses less digits than its factorization.

28846440193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122543.

The product of its (nonzero) digits is 1327104, while the sum is 49.

The spelling of 28846440193 in words is "twenty-eight billion, eight hundred forty-six million, four hundred forty thousand, one hundred ninety-three".