27292745791 has 4 divisors (see below), whose sum is σ = 27309119832. Its totient is φ = 27276371752.

The previous prime is 27292745773. The next prime is 27292745813. The reversal of 27292745791 is 19754729272.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 27292745791 - 2⁵ = 27292745759 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 (27292745741) 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 3 ways as a sum of consecutive naturals, for example, 8184520 + ... + 8187853.

It is an arithmetic number, because the mean of its divisors is an integer number (6827279958).

Almost surely, 2^27292745791 is an apocalyptic number.

27292745791 is a deficient number, since it is larger than the sum of its proper divisors (16374041).

27292745791 is a wasteful number, since it uses less digits than its factorization.

27292745791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16374040.

The product of its digits is 4445280, while the sum is 55.

The spelling of 27292745791 in words is "twenty-seven billion, two hundred ninety-two million, seven hundred forty-five thousand, seven hundred ninety-one".