85500065 has 8 divisors (see below), whose sum is σ = 117257280. Its totient is φ = 58628592.

The previous prime is 85500061. The next prime is 85500071. The reversal of 85500065 is 56000558.

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 85500065 - 2² = 85500061 is a prime.

It is a super-2 number, since 2×85500065² = 14620522230008450, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (85500061) 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, 1221395 + ... + 1221464.

It is an arithmetic number, because the mean of its divisors is an integer number (14657160).

Almost surely, 2^85500065 is an apocalyptic number.

It is an amenable number.

85500065 is a deficient number, since it is larger than the sum of its proper divisors (31757215).

85500065 is a wasteful number, since it uses less digits than its factorization.

85500065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2442871.

The product of its (nonzero) digits is 6000, while the sum is 29.

The square root of 85500065 is about 9246.6245192503. The cubic root of 85500065 is about 440.5435173842.

The spelling of 85500065 in words is "eighty-five million, five hundred thousand, sixty-five".