27878814825007 has 2 divisors, whose sum is σ = 27878814825008. Its totient is φ = 27878814825006.

The previous prime is 27878814824953. The next prime is 27878814825073. The reversal of 27878814825007 is 70052841887872.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 27878814825007 - 2⁷ = 27878814824879 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27878814829007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13939407412503 + 13939407412504.

It is an arithmetic number, because the mean of its divisors is an integer number (13939407412504).

Almost surely, 2^{27878814825007} is an apocalyptic number.

27878814825007 is a deficient number, since it is larger than the sum of its proper divisors (1).

27878814825007 is an equidigital number, since it uses as much as digits as its factorization.

27878814825007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 112394240, while the sum is 67.

The spelling of 27878814825007 in words is "twenty-seven trillion, eight hundred seventy-eight billion, eight hundred fourteen million, eight hundred twenty-five thousand, seven".