85271657 has 8 divisors (see below), whose sum is σ = 86395200. Its totient is φ = 84155760.

The previous prime is 85271653. The next prime is 85271671. The reversal of 85271657 is 75617258.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 85271657 - 2² = 85271653 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85271653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22532 + ... + 26042.

It is an arithmetic number, because the mean of its divisors is an integer number (10799400).

Almost surely, 2^85271657 is an apocalyptic number.

It is an amenable number.

85271657 is a deficient number, since it is larger than the sum of its proper divisors (1123543).

85271657 is a wasteful number, since it uses less digits than its factorization.

85271657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3823.

The product of its digits is 117600, while the sum is 41.

The square root of 85271657 is about 9234.2653741378. The cubic root of 85271657 is about 440.1508728476.

The spelling of 85271657 in words is "eighty-five million, two hundred seventy-one thousand, six hundred fifty-seven".