85457127 has 12 divisors (see below), whose sum is σ = 132545976. Its totient is φ = 48832560.

The previous prime is 85457107. The next prime is 85457129. The reversal of 85457127 is 72175458.

It is not a de Polignac number, because 85457127 - 2⁸ = 85456871 is a prime.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85457129) 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 in 11 ways as a sum of consecutive naturals, for example, 290524 + ... + 290817.

It is an arithmetic number, because the mean of its divisors is an integer number (11045498).

Almost surely, 2^85457127 is an apocalyptic number.

85457127 is a deficient number, since it is larger than the sum of its proper divisors (47088849).

85457127 is a wasteful number, since it uses less digits than its factorization.

85457127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 581358 (or 581351 counting only the distinct ones).

The product of its digits is 78400, while the sum is 39.

The square root of 85457127 is about 9244.3024074291. The cubic root of 85457127 is about 440.4697582786.

The spelling of 85457127 in words is "eighty-five million, four hundred fifty-seven thousand, one hundred twenty-seven".