27480178107923 has 2 divisors, whose sum is σ = 27480178107924. Its totient is φ = 27480178107922.

The previous prime is 27480178107919. The next prime is 27480178107929. The reversal of 27480178107923 is 32970187108472.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 27480178107923 - 2² = 27480178107919 is a prime.

It is not a weakly prime, because it can be changed into another prime (27480178107929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13740089053961 + 13740089053962.

It is an arithmetic number, because the mean of its divisors is an integer number (13740089053962).

Almost surely, 2^{27480178107923} is an apocalyptic number.

27480178107923 is a deficient number, since it is larger than the sum of its proper divisors (1).

27480178107923 is an equidigital number, since it uses as much as digits as its factorization.

27480178107923 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9483264, while the sum is 59.

The spelling of 27480178107923 in words is "twenty-seven trillion, four hundred eighty billion, one hundred seventy-eight million, one hundred seven thousand, nine hundred twenty-three".