85747127 has 4 divisors (see below), whose sum is σ = 86631216. Its totient is φ = 84863040.

The previous prime is 85747091. The next prime is 85747213. The reversal of 85747127 is 72174758.

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

It is a cyclic number.

It is not a de Polignac number, because 85747127 - 2⁶ = 85747063 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 (85747327) 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, 441899 + ... + 442092.

It is an arithmetic number, because the mean of its divisors is an integer number (21657804).

Almost surely, 2^85747127 is an apocalyptic number.

85747127 is a deficient number, since it is larger than the sum of its proper divisors (884089).

85747127 is an equidigital number, since it uses as much as digits as its factorization.

85747127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 884088.

The product of its digits is 109760, while the sum is 41.

The square root of 85747127 is about 9259.9744600080. The cubic root of 85747127 is about 440.9674425739.

The spelling of 85747127 in words is "eighty-five million, seven hundred forty-seven thousand, one hundred twenty-seven".