85660057 has 8 divisors (see below), whose sum is σ = 98208576. Its totient is φ = 73189392.

The previous prime is 85660033. The next prime is 85660063. The reversal of 85660057 is 75006658.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-85660057 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 85659998 and 85660025.

It is not an unprimeable number, because it can be changed into a prime (85661057) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17083 + ... + 21520.

It is an arithmetic number, because the mean of its divisors is an integer number (12276072).

Almost surely, 2^85660057 is an apocalyptic number.

It is an amenable number.

85660057 is a deficient number, since it is larger than the sum of its proper divisors (12548519).

85660057 is a wasteful number, since it uses less digits than its factorization.

85660057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38927.

The product of its (nonzero) digits is 50400, while the sum is 37.

The square root of 85660057 is about 9255.2718490599. The cubic root of 85660057 is about 440.8181351872.

The spelling of 85660057 in words is "eighty-five million, six hundred sixty thousand, fifty-seven".