85927657 has 4 divisors (see below), whose sum is σ = 86364036. Its totient is φ = 85491280.

The previous prime is 85927651. The next prime is 85927661. The reversal of 85927657 is 75672958.

85927657 is nontrivially palindromic in base 14.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 75672958 = 2 ⋅37836479.

It can be written as a sum of positive squares in 2 ways, for example, as 75533481 + 10394176 = 8691^2 + 3224^2 .

It is a cyclic number.

It is not a de Polignac number, because 85927657 - 2⁷ = 85927529 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 85927657.

It is not an unprimeable number, because it can be changed into a prime (85927651) 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, 217894 + ... + 218287.

It is an arithmetic number, because the mean of its divisors is an integer number (21591009).

Almost surely, 2^85927657 is an apocalyptic number.

It is an amenable number.

85927657 is a deficient number, since it is larger than the sum of its proper divisors (436379).

85927657 is a wasteful number, since it uses less digits than its factorization.

85927657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 436378.

The product of its digits is 1058400, while the sum is 49.

The square root of 85927657 is about 9269.7172017274. The cubic root of 85927657 is about 441.2766931665.

The spelling of 85927657 in words is "eighty-five million, nine hundred twenty-seven thousand, six hundred fifty-seven".