85863117 has 8 divisors (see below), whose sum is σ = 119461824. Its totient is φ = 54753248.

The previous prime is 85863103. The next prime is 85863121. The reversal of 85863117 is 71136858.

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

It is not a de Polignac number, because 85863117 - 2⁴ = 85863101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85864117) 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, 622128 + ... + 622265.

It is an arithmetic number, because the mean of its divisors is an integer number (14932728).

Almost surely, 2^85863117 is an apocalyptic number.

It is an amenable number.

85863117 is a deficient number, since it is larger than the sum of its proper divisors (33598707).

85863117 is a wasteful number, since it uses less digits than its factorization.

85863117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1244419.

The product of its digits is 40320, while the sum is 39.

The square root of 85863117 is about 9266.2353196970. The cubic root of 85863117 is about 441.1661849701.

The spelling of 85863117 in words is "eighty-five million, eight hundred sixty-three thousand, one hundred seventeen".