28056088945 has 8 divisors (see below), whose sum is σ = 33670820736. Its totient is φ = 22442528496.

The previous prime is 28056088897. The next prime is 28056088969. The reversal of 28056088945 is 54988065082.

It is a happy number.

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 28056088945 - 2¹⁷ = 28055957873 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 239247 + ... + 336676.

It is an arithmetic number, because the mean of its divisors is an integer number (4208852592).

Almost surely, 2^28056088945 is an apocalyptic number.

It is an amenable number.

28056088945 is a deficient number, since it is larger than the sum of its proper divisors (5614731791).

28056088945 is an equidigital number, since it uses as much as digits as its factorization.

28056088945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 585671.

The product of its (nonzero) digits is 5529600, while the sum is 55.

The spelling of 28056088945 in words is "twenty-eight billion, fifty-six million, eighty-eight thousand, nine hundred forty-five".