85939127 has 2 divisors, whose sum is σ = 85939128. Its totient is φ = 85939126.

The previous prime is 85939121. The next prime is 85939207. The reversal of 85939127 is 72193958.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 85939127 - 2⁴ = 85939111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85939121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42969563 + 42969564.

It is an arithmetic number, because the mean of its divisors is an integer number (42969564).

Almost surely, 2^85939127 is an apocalyptic number.

85939127 is a deficient number, since it is larger than the sum of its proper divisors (1).

85939127 is an equidigital number, since it uses as much as digits as its factorization.

85939127 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 136080, while the sum is 44.

The square root of 85939127 is about 9270.3358623083. The cubic root of 85939127 is about 441.2963268081.

The spelling of 85939127 in words is "eighty-five million, nine hundred thirty-nine thousand, one hundred twenty-seven".