27490000267 has 2 divisors, whose sum is σ = 27490000268. Its totient is φ = 27490000266.

The previous prime is 27490000259. The next prime is 27490000271. The reversal of 27490000267 is 76200009472.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 27490000267 - 2³ = 27490000259 is a prime.

It is a super-2 number, since 2×27490000267² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (27490000207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13745000133 + 13745000134.

It is an arithmetic number, because the mean of its divisors is an integer number (13745000134).

Almost surely, 2^27490000267 is an apocalyptic number.

27490000267 is a deficient number, since it is larger than the sum of its proper divisors (1).

27490000267 is an equidigital number, since it uses as much as digits as its factorization.

27490000267 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 42336, while the sum is 37.

The spelling of 27490000267 in words is "twenty-seven billion, four hundred ninety million, two hundred sixty-seven", and thus it is an aban number.