8529347081 has 8 divisors (see below), whose sum is σ = 8776326024. Its totient is φ = 8285555200.

The previous prime is 8529347077. The next prime is 8529347111. The reversal of 8529347081 is 1807439258.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1420159225 + 7109187856 = 37685^2 + 84316^2 .

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

It is not a de Polignac number, because 8529347081 - 2² = 8529347077 is a prime.

It is a super-2 number, since 2×8529347081² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8529347381) 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, 791336 + ... + 802041.

It is an arithmetic number, because the mean of its divisors is an integer number (1097040753).

Almost surely, 2^8529347081 is an apocalyptic number.

It is an amenable number.

8529347081 is a deficient number, since it is larger than the sum of its proper divisors (246978943).

8529347081 is a wasteful number, since it uses less digits than its factorization.

8529347081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1593531.

The product of its (nonzero) digits is 483840, while the sum is 47.

The square root of 8529347081 is about 92354.4643263118. The cubic root of 8529347081 is about 2043.1735719512.

The spelling of 8529347081 in words is "eight billion, five hundred twenty-nine million, three hundred forty-seven thousand, eighty-one".