27735157 has 2 divisors, whose sum is σ = 27735158. Its totient is φ = 27735156.

The previous prime is 27735151. The next prime is 27735199. The reversal of 27735157 is 75153772.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21150801 + 6584356 = 4599^2 + 2566^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27735157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27735151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13867578 + 13867579.

It is an arithmetic number, because the mean of its divisors is an integer number (13867579).

Almost surely, 2^27735157 is an apocalyptic number.

It is an amenable number.

27735157 is a deficient number, since it is larger than the sum of its proper divisors (1).

27735157 is an equidigital number, since it uses as much as digits as its factorization.

27735157 is an evil number, because the sum of its binary digits is even.

The product of its digits is 51450, while the sum is 37.

The square root of 27735157 is about 5266.4178527724. The cubic root of 27735157 is about 302.6984586646.

The spelling of 27735157 in words is "twenty-seven million, seven hundred thirty-five thousand, one hundred fifty-seven".