8085620543 has 32 divisors (see below), whose sum is σ = 10919204352. Its totient is φ = 5782089600.

The previous prime is 8085620519. The next prime is 8085620567. The reversal of 8085620543 is 3450265808.

It is an interprime number because it is at equal distance from previous prime (8085620519) and next prime (8085620567).

It is not a de Polignac number, because 8085620543 - 2⁶ = 8085620479 is a prime.

It is a super-2 number, since 2×8085620543² (a number of 21 digits) contains 22 as substring.

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 8085620543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8085620503) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 149828 + ... + 196518.

It is an arithmetic number, because the mean of its divisors is an integer number (341225136).

Almost surely, 2^8085620543 is an apocalyptic number.

8085620543 is a deficient number, since it is larger than the sum of its proper divisors (2833583809).

8085620543 is a wasteful number, since it uses less digits than its factorization.

8085620543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46895.

The product of its (nonzero) digits is 230400, while the sum is 41.

The square root of 8085620543 is about 89920.0786420919. The cubic root of 8085620543 is about 2007.1097410920.

The spelling of 8085620543 in words is "eight billion, eighty-five million, six hundred twenty thousand, five hundred forty-three".