85216043 has 4 divisors (see below), whose sum is σ = 92962968. Its totient is φ = 77469120.

The previous prime is 85216031. The next prime is 85216049. The reversal of 85216043 is 34061258.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-85216043 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 85215997 and 85216015.

It is not an unprimeable number, because it can be changed into a prime (85216049) 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, 3873446 + ... + 3873467.

It is an arithmetic number, because the mean of its divisors is an integer number (23240742).

Almost surely, 2^85216043 is an apocalyptic number.

85216043 is a deficient number, since it is larger than the sum of its proper divisors (7746925).

85216043 is a wasteful number, since it uses less digits than its factorization.

85216043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7746924.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 85216043 is about 9231.2535985098. The cubic root of 85216043 is about 440.0551635383.

The spelling of 85216043 in words is "eighty-five million, two hundred sixteen thousand, forty-three".