27872651 has 2 divisors, whose sum is σ = 27872652. Its totient is φ = 27872650.

The previous prime is 27872633. The next prime is 27872653. The reversal of 27872651 is 15627872.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 27872651 - 2⁶ = 27872587 is a prime.

It is a Sophie Germain prime.

Together with 27872653, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (27872653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13936325 + 13936326.

It is an arithmetic number, because the mean of its divisors is an integer number (13936326).

Almost surely, 2^27872651 is an apocalyptic number.

27872651 is a deficient number, since it is larger than the sum of its proper divisors (1).

27872651 is an equidigital number, since it uses as much as digits as its factorization.

27872651 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 47040, while the sum is 38.

The square root of 27872651 is about 5279.4555590515. The cubic root of 27872651 is about 303.1978325149.

The spelling of 27872651 in words is "twenty-seven million, eight hundred seventy-two thousand, six hundred fifty-one".