85585574624 has 24 divisors (see below), whose sum is σ = 183814473528. Its totient is φ = 38902533760.

The previous prime is 85585574623. The next prime is 85585574629. The reversal of 85585574624 is 42647558558.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85585574621) 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 3 ways as a sum of consecutive naturals, for example, 121570067 + ... + 121570770.

It is an arithmetic number, because the mean of its divisors is an integer number (7658936397).

Almost surely, 2^85585574624 is an apocalyptic number.

It is an amenable number.

85585574624 is an abundant number, since it is smaller than the sum of its proper divisors (98228898904).

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

85585574624 is a wasteful number, since it uses less digits than its factorization.

85585574624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243140858 (or 243140850 counting only the distinct ones).

The product of its digits is 53760000, while the sum is 59.

The spelling of 85585574624 in words is "eighty-five billion, five hundred eighty-five million, five hundred seventy-four thousand, six hundred twenty-four".