27087185953 has 2 divisors, whose sum is σ = 27087185954. Its totient is φ = 27087185952.

The previous prime is 27087185933. The next prime is 27087185963. The reversal of 27087185953 is 35958178072.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26919949329 + 167236624 = 164073^2 + 12932^2 .

It is a cyclic number.

It is not a de Polignac number, because 27087185953 - 2¹⁷ = 27087054881 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 27087185894 and 27087185903.

It is not a weakly prime, because it can be changed into another prime (27087185933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13543592976 + 13543592977.

It is an arithmetic number, because the mean of its divisors is an integer number (13543592977).

Almost surely, 2^27087185953 is an apocalyptic number.

It is an amenable number.

27087185953 is a deficient number, since it is larger than the sum of its proper divisors (1).

27087185953 is an equidigital number, since it uses as much as digits as its factorization.

27087185953 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4233600, while the sum is 55.

The spelling of 27087185953 in words is "twenty-seven billion, eighty-seven million, one hundred eighty-five thousand, nine hundred fifty-three".