85710439127 has 2 divisors, whose sum is σ = 85710439128. Its totient is φ = 85710439126.

The previous prime is 85710439013. The next prime is 85710439147. The reversal of 85710439127 is 72193401758.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 85710439127 - 2¹⁰ = 85710438103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85710439147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42855219563 + 42855219564.

It is an arithmetic number, because the mean of its divisors is an integer number (42855219564).

Almost surely, 2^85710439127 is an apocalyptic number.

85710439127 is a deficient number, since it is larger than the sum of its proper divisors (1).

85710439127 is an equidigital number, since it uses as much as digits as its factorization.

85710439127 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 423360, while the sum is 47.

The spelling of 85710439127 in words is "eighty-five billion, seven hundred ten million, four hundred thirty-nine thousand, one hundred twenty-seven".