27825298081 has 8 divisors (see below), whose sum is σ = 31804274624. Its totient is φ = 23847305040.

The previous prime is 27825298051. The next prime is 27825298103. The reversal of 27825298081 is 18089252872.

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 27825298081 - 2⁷ = 27825297953 is a prime.

It is a super-2 number, since 2×27825298081² (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 (27825298001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 184215 + ... + 299308.

It is an arithmetic number, because the mean of its divisors is an integer number (3975534328).

Almost surely, 2^27825298081 is an apocalyptic number.

It is an amenable number.

27825298081 is a deficient number, since it is larger than the sum of its proper divisors (3978976543).

27825298081 is an equidigital number, since it uses as much as digits as its factorization.

27825298081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 491751.

The product of its (nonzero) digits is 1290240, while the sum is 52.

The spelling of 27825298081 in words is "twenty-seven billion, eight hundred twenty-five million, two hundred ninety-eight thousand, eighty-one".