85204543 has 8 divisors (see below), whose sum is σ = 87608576. Its totient is φ = 82819800.

The previous prime is 85204541. The next prime is 85204571. The reversal of 85204543 is 34540258.

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

It is a cyclic number.

It is not a de Polignac number, because 85204543 - 2¹ = 85204541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85204541) 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, 4378 + ... + 13768.

It is an arithmetic number, because the mean of its divisors is an integer number (10951072).

Almost surely, 2^85204543 is an apocalyptic number.

85204543 is a deficient number, since it is larger than the sum of its proper divisors (2404033).

85204543 is a wasteful number, since it uses less digits than its factorization.

85204543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9645.

The product of its (nonzero) digits is 19200, while the sum is 31.

The square root of 85204543 is about 9230.6306935117. The cubic root of 85204543 is about 440.0353673361.

The spelling of 85204543 in words is "eighty-five million, two hundred four thousand, five hundred forty-three".