27625799879 has 2 divisors, whose sum is σ = 27625799880. Its totient is φ = 27625799878.

The previous prime is 27625799863. The next prime is 27625799899. The reversal of 27625799879 is 97899752672.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 27625799879 - 2⁴ = 27625799863 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27625799899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13812899939 + 13812899940.

It is an arithmetic number, because the mean of its divisors is an integer number (13812899940).

Almost surely, 2^27625799879 is an apocalyptic number.

27625799879 is a deficient number, since it is larger than the sum of its proper divisors (1).

27625799879 is an equidigital number, since it uses as much as digits as its factorization.

27625799879 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 240045120, while the sum is 71.

The spelling of 27625799879 in words is "twenty-seven billion, six hundred twenty-five million, seven hundred ninety-nine thousand, eight hundred seventy-nine".