85540127 has 2 divisors, whose sum is σ = 85540128. Its totient is φ = 85540126.

The previous prime is 85540099. The next prime is 85540153. The reversal of 85540127 is 72104558.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 85540127 - 2⁸ = 85539871 is a prime.

It is a super-2 number, since 2×85540127² = 14634226654352258, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 85540093 and 85540102.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85540027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42770063 + 42770064.

It is an arithmetic number, because the mean of its divisors is an integer number (42770064).

Almost surely, 2^85540127 is an apocalyptic number.

85540127 is a deficient number, since it is larger than the sum of its proper divisors (1).

85540127 is an equidigital number, since it uses as much as digits as its factorization.

85540127 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11200, while the sum is 32.

The square root of 85540127 is about 9248.7905695826. The cubic root of 85540127 is about 440.6123138175.

The spelling of 85540127 in words is "eighty-five million, five hundred forty thousand, one hundred twenty-seven".