27542203357 has 2 divisors, whose sum is σ = 27542203358. Its totient is φ = 27542203356.

The previous prime is 27542203313. The next prime is 27542203373. The reversal of 27542203357 is 75330224572.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17751298756 + 9790904601 = 133234^2 + 98949^2 .

It is a cyclic number.

It is not a de Polignac number, because 27542203357 - 2¹⁵ = 27542170589 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27542203307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13771101678 + 13771101679.

It is an arithmetic number, because the mean of its divisors is an integer number (13771101679).

Almost surely, 2^27542203357 is an apocalyptic number.

It is an amenable number.

27542203357 is a deficient number, since it is larger than the sum of its proper divisors (1).

27542203357 is an equidigital number, since it uses as much as digits as its factorization.

27542203357 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 352800, while the sum is 40.

The spelling of 27542203357 in words is "twenty-seven billion, five hundred forty-two million, two hundred three thousand, three hundred fifty-seven".