27358825957 has 2 divisors, whose sum is σ = 27358825958. Its totient is φ = 27358825956.

The previous prime is 27358825931. The next prime is 27358825993. The reversal of 27358825957 is 75952885372.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26519796801 + 839029156 = 162849^2 + 28966^2 .

It is a cyclic number.

It is not a de Polignac number, because 27358825957 - 2¹⁹ = 27358301669 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 27358825895 and 27358825904.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27358825057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13679412978 + 13679412979.

It is an arithmetic number, because the mean of its divisors is an integer number (13679412979).

Almost surely, 2^27358825957 is an apocalyptic number.

It is an amenable number.

27358825957 is a deficient number, since it is larger than the sum of its proper divisors (1).

27358825957 is an equidigital number, since it uses as much as digits as its factorization.

27358825957 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 42336000, while the sum is 61.

The spelling of 27358825957 in words is "twenty-seven billion, three hundred fifty-eight million, eight hundred twenty-five thousand, nine hundred fifty-seven".