85647928230 has 64 divisors (see below), whose sum is σ = 231214219200. Its totient is φ = 22839441696.

The previous prime is 85647928213. The next prime is 85647928231. The reversal of 85647928230 is 3282974658.

85647928230 is a `hidden beast` number, since 8 + 564 + 79 + 2 + 8 + 2 + 3 + 0 = 666.

It is a super-2 number, since 2×85647928230² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85647928231) 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 31 ways as a sum of consecutive naturals, for example, 1936245 + ... + 1979984.

It is an arithmetic number, because the mean of its divisors is an integer number (3612722175).

Almost surely, 2^85647928230 is an apocalyptic number.

85647928230 is an abundant number, since it is smaller than the sum of its proper divisors (145566290970).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85647928230 is an equidigital number, since it uses as much as digits as its factorization.

85647928230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3916257 (or 3916239 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 54.

The spelling of 85647928230 in words is "eighty-five billion, six hundred forty-seven million, nine hundred twenty-eight thousand, two hundred thirty".