85257127 has 4 divisors (see below), whose sum is σ = 85278280. Its totient is φ = 85235976.

The previous prime is 85257121. The next prime is 85257143. The reversal of 85257127 is 72175258.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-85257127 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85257121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2448 + ... + 13285.

It is an arithmetic number, because the mean of its divisors is an integer number (21319570).

Almost surely, 2^85257127 is an apocalyptic number.

85257127 is a deficient number, since it is larger than the sum of its proper divisors (21153).

85257127 is a wasteful number, since it uses less digits than its factorization.

85257127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21152.

The product of its digits is 39200, while the sum is 37.

The square root of 85257127 is about 9233.4785969319. The cubic root of 85257127 is about 440.1258713575.

The spelling of 85257127 in words is "eighty-five million, two hundred fifty-seven thousand, one hundred twenty-seven".