85102417 has 4 divisors (see below), whose sum is σ = 85359856. Its totient is φ = 84844980.

The previous prime is 85102379. The next prime is 85102427. The reversal of 85102417 is 71420158.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-85102417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85102427) 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, 128223 + ... + 128884.

It is an arithmetic number, because the mean of its divisors is an integer number (21339964).

Almost surely, 2^85102417 is an apocalyptic number.

It is an amenable number.

85102417 is a deficient number, since it is larger than the sum of its proper divisors (257439).

85102417 is a wasteful number, since it uses less digits than its factorization.

85102417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257438.

The product of its (nonzero) digits is 2240, while the sum is 28.

The square root of 85102417 is about 9225.0971268600. The cubic root of 85102417 is about 439.8594885355.

The spelling of 85102417 in words is "eighty-five million, one hundred two thousand, four hundred seventeen".