806627065543 has 8 divisors (see below), whose sum is σ = 868684107200. Its totient is φ = 744571281888.

The previous prime is 806627065523. The next prime is 806627065549. The reversal of 806627065543 is 345560726608.

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 806627065543 - 2⁹ = 806627065031 is a prime.

It is a super-2 number, since 2×806627065543² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (806627065549) 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, 1339378 + ... + 1845856.

It is an arithmetic number, because the mean of its divisors is an integer number (108585513400).

Almost surely, 2^806627065543 is an apocalyptic number.

806627065543 is a deficient number, since it is larger than the sum of its proper divisors (62057041657).

806627065543 is a wasteful number, since it uses less digits than its factorization.

806627065543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 629001.

The product of its (nonzero) digits is 7257600, while the sum is 52.

The spelling of 806627065543 in words is "eight hundred six billion, six hundred twenty-seven million, sixty-five thousand, five hundred forty-three".