27726016465 has 16 divisors (see below), whose sum is σ = 40260972672. Its totient is φ = 17893764864.

The previous prime is 27726016459. The next prime is 27726016469. The reversal of 27726016465 is 56461062772.

It is a cyclic number.

It is not a de Polignac number, because 27726016465 - 2⁷ = 27726016337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27726016469) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23298579 + ... + 23299768.

It is an arithmetic number, because the mean of its divisors is an integer number (2516310792).

Almost surely, 2^27726016465 is an apocalyptic number.

It is an amenable number.

27726016465 is a deficient number, since it is larger than the sum of its proper divisors (12534956207).

27726016465 is a wasteful number, since it uses less digits than its factorization.

27726016465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46598376.

The product of its (nonzero) digits is 846720, while the sum is 46.

The spelling of 27726016465 in words is "twenty-seven billion, seven hundred twenty-six million, sixteen thousand, four hundred sixty-five".