27260996823 has 16 divisors (see below), whose sum is σ = 41245954560. Its totient is φ = 17787316248.

The previous prime is 27260996821. The next prime is 27260996839. The reversal of 27260996823 is 32869906272.

It is a happy number.

27260996823 is a `hidden beast` number, since 2 + 7 + 2 + 609 + 9 + 6 + 8 + 23 = 666.

It is not a de Polignac number, because 27260996823 - 2¹ = 27260996821 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 27260996823.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27260996821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10739865 + ... + 10742402.

It is an arithmetic number, because the mean of its divisors is an integer number (2577872160).

Almost surely, 2^27260996823 is an apocalyptic number.

27260996823 is a deficient number, since it is larger than the sum of its proper divisors (13984957737).

27260996823 is a wasteful number, since it uses less digits than its factorization.

27260996823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21482323 (or 21482317 counting only the distinct ones).

The product of its (nonzero) digits is 3919104, while the sum is 54.

The spelling of 27260996823 in words is "twenty-seven billion, two hundred sixty million, nine hundred ninety-six thousand, eight hundred twenty-three".