85356671 has 4 divisors (see below), whose sum is σ = 88110144. Its totient is φ = 82603200.

The previous prime is 85356647. The next prime is 85356679. The reversal of 85356671 is 17665358.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 17665358 = 2 ⋅8832679.

It is a cyclic number.

It is not a de Polignac number, because 85356671 - 2²⁶ = 18247807 is a prime.

It is a super-2 number, since 2×85356671² = 14571522568404482, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85356679) 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, 1376690 + ... + 1376751.

It is an arithmetic number, because the mean of its divisors is an integer number (22027536).

Almost surely, 2^85356671 is an apocalyptic number.

85356671 is a deficient number, since it is larger than the sum of its proper divisors (2753473).

85356671 is a wasteful number, since it uses less digits than its factorization.

85356671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2753472.

The product of its digits is 151200, while the sum is 41.

The square root of 85356671 is about 9238.8674089414. The cubic root of 85356671 is about 440.2970979014.

The spelling of 85356671 in words is "eighty-five million, three hundred fifty-six thousand, six hundred seventy-one".