85575565 has 8 divisors (see below), whose sum is σ = 103991040. Its totient is φ = 67593552.

The previous prime is 85575559. The next prime is 85575577. The reversal of 85575565 is 56557558.

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 85575565 - 2³ = 85575557 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107929 + ... + 108718.

It is an arithmetic number, because the mean of its divisors is an integer number (12998880).

Almost surely, 2^85575565 is an apocalyptic number.

It is an amenable number.

85575565 is a deficient number, since it is larger than the sum of its proper divisors (18415475).

85575565 is a wasteful number, since it uses less digits than its factorization.

85575565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216731.

The product of its digits is 1050000, while the sum is 46.

The square root of 85575565 is about 9250.7061892593. The cubic root of 85575565 is about 440.6731517889.

The spelling of 85575565 in words is "eighty-five million, five hundred seventy-five thousand, five hundred sixty-five".