85647928229 has 8 divisors (see below), whose sum is σ = 87367519008. Its totient is φ = 83941315920.

The previous prime is 85647928213. The next prime is 85647928231. The reversal of 85647928229 is 92282974658.

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 85647928229 - 2⁴ = 85647928213 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 (85647928529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3231287 + ... + 3257684.

It is an arithmetic number, because the mean of its divisors is an integer number (10920939876).

Almost surely, 2^85647928229 is an apocalyptic number.

It is an amenable number.

85647928229 is a deficient number, since it is larger than the sum of its proper divisors (1719590779).

85647928229 is a wasteful number, since it uses less digits than its factorization.

85647928229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6489235.

The product of its digits is 34836480, while the sum is 62.

The spelling of 85647928229 in words is "eighty-five billion, six hundred forty-seven million, nine hundred twenty-eight thousand, two hundred twenty-nine".