27825652871 has 8 divisors (see below), whose sum is σ = 28465612560. Its totient is φ = 27192687552.

The previous prime is 27825652861. The next prime is 27825652873. The reversal of 27825652871 is 17825652872.

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 27825652871 - 2²⁶ = 27758544007 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27825652873) 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 7 ways as a sum of consecutive naturals, for example, 1740545 + ... + 1756458.

It is an arithmetic number, because the mean of its divisors is an integer number (3558201570).

Almost surely, 2^27825652871 is an apocalyptic number.

27825652871 is a deficient number, since it is larger than the sum of its proper divisors (639959689).

27825652871 is a wasteful number, since it uses less digits than its factorization.

27825652871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3497185.

The product of its digits is 3763200, while the sum is 53.

Subtracting from 27825652871 its reverse (17825652872), we obtain a palindrome (9999999999).

The spelling of 27825652871 in words is "twenty-seven billion, eight hundred twenty-five million, six hundred fifty-two thousand, eight hundred seventy-one".