27267897051 has 16 divisors (see below), whose sum is σ = 40458211200. Its totient is φ = 18151001064.

The previous prime is 27267897047. The next prime is 27267897091. The reversal of 27267897051 is 15079876272.

It is a happy number.

It is not a de Polignac number, because 27267897051 - 2² = 27267897047 is a prime.

It is not an unprimeable number, because it can be changed into a prime (27267897091) 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, 748461 + ... + 784046.

It is an arithmetic number, because the mean of its divisors is an integer number (2528638200).

Almost surely, 2^27267897051 is an apocalyptic number.

27267897051 is a deficient number, since it is larger than the sum of its proper divisors (13190314149).

27267897051 is a wasteful number, since it uses less digits than its factorization.

27267897051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1533175 (or 1533169 counting only the distinct ones).

The product of its (nonzero) digits is 2963520, while the sum is 54.

The spelling of 27267897051 in words is "twenty-seven billion, two hundred sixty-seven million, eight hundred ninety-seven thousand, fifty-one".