85428564318 has 12 divisors (see below), whose sum is σ = 185095222728. Its totient is φ = 28476188100.

The previous prime is 85428564317. The next prime is 85428564323. The reversal of 85428564318 is 81346582458.

85428564318 is a `hidden beast` number, since 8 + 5 + 42 + 8 + 564 + 31 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85428564317) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2373015658 + ... + 2373015693.

It is an arithmetic number, because the mean of its divisors is an integer number (15424601894).

Almost surely, 2^85428564318 is an apocalyptic number.

85428564318 is an abundant number, since it is smaller than the sum of its proper divisors (99666658410).

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

85428564318 is a wasteful number, since it uses less digits than its factorization.

85428564318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4746031359 (or 4746031356 counting only the distinct ones).

The product of its digits is 7372800, while the sum is 54.

The spelling of 85428564318 in words is "eighty-five billion, four hundred twenty-eight million, five hundred sixty-four thousand, three hundred eighteen".