85070117 has 4 divisors (see below), whose sum is σ = 92803776. Its totient is φ = 77336460.

The previous prime is 85070081. The next prime is 85070131. The reversal of 85070117 is 71107058.

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 not a de Polignac number, because 85070117 - 2⁸ = 85069861 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 85070117.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85070147) 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, 3866813 + ... + 3866834.

It is an arithmetic number, because the mean of its divisors is an integer number (23200944).

Almost surely, 2^85070117 is an apocalyptic number.

It is an amenable number.

85070117 is a deficient number, since it is larger than the sum of its proper divisors (7733659).

85070117 is a wasteful number, since it uses less digits than its factorization.

85070117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7733658.

The product of its (nonzero) digits is 1960, while the sum is 29.

The square root of 85070117 is about 9223.3463016413. The cubic root of 85070117 is about 439.8038330096.

The spelling of 85070117 in words is "eighty-five million, seventy thousand, one hundred seventeen".