27276766351451 has 4 divisors (see below), whose sum is σ = 27276796211400. Its totient is φ = 27276736491504.

The previous prime is 27276766351397. The next prime is 27276766351469. The reversal of 27276766351451 is 15415366767272.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27276766351451 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27276766351951) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13515041 + ... + 15401618.

It is an arithmetic number, because the mean of its divisors is an integer number (6819199052850).

Almost surely, 2^{27276766351451} is an apocalyptic number.

27276766351451 is a deficient number, since it is larger than the sum of its proper divisors (29859949).

27276766351451 is an equidigital number, since it uses as much as digits as its factorization.

27276766351451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29859948.

The product of its digits is 88905600, while the sum is 62.

The spelling of 27276766351451 in words is "twenty-seven trillion, two hundred seventy-six billion, seven hundred sixty-six million, three hundred fifty-one thousand, four hundred fifty-one".