85620543 has 8 divisors (see below), whose sum is σ = 117843456. Its totient is φ = 55239000.

The previous prime is 85620529. The next prime is 85620569. The reversal of 85620543 is 34502658.

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

It is not a de Polignac number, because 85620543 - 2⁴ = 85620527 is a prime.

It is a super-2 number, since 2×85620543² = 14661754767229698, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85620583) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 460233 + ... + 460418.

It is an arithmetic number, because the mean of its divisors is an integer number (14730432).

Almost surely, 2^85620543 is an apocalyptic number.

85620543 is a deficient number, since it is larger than the sum of its proper divisors (32222913).

85620543 is a wasteful number, since it uses less digits than its factorization.

85620543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 920685.

The product of its (nonzero) digits is 28800, while the sum is 33.

The square root of 85620543 is about 9253.1369275506. The cubic root of 85620543 is about 440.7503433155.

The spelling of 85620543 in words is "eighty-five million, six hundred twenty thousand, five hundred forty-three".