27899354953 has 2 divisors, whose sum is σ = 27899354954. Its totient is φ = 27899354952.

The previous prime is 27899354933. The next prime is 27899354963. The reversal of 27899354953 is 35945399872.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19543201209 + 8356153744 = 139797^2 + 91412^2 .

It is a cyclic number.

It is not a de Polignac number, because 27899354953 - 2¹⁷ = 27899223881 is a prime.

It is not a weakly prime, because it can be changed into another prime (27899354933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13949677476 + 13949677477.

It is an arithmetic number, because the mean of its divisors is an integer number (13949677477).

Almost surely, 2^27899354953 is an apocalyptic number.

It is an amenable number.

27899354953 is a deficient number, since it is larger than the sum of its proper divisors (1).

27899354953 is an equidigital number, since it uses as much as digits as its factorization.

27899354953 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 73483200, while the sum is 64.

The spelling of 27899354953 in words is "twenty-seven billion, eight hundred ninety-nine million, three hundred fifty-four thousand, nine hundred fifty-three".