85384557632 has 56 divisors (see below), whose sum is σ = 184874733120. Its totient is φ = 38803484160.

The previous prime is 85384557611. The next prime is 85384557649. The reversal of 85384557632 is 23675548358.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5086469 + ... + 5103227.

It is an arithmetic number, because the mean of its divisors is an integer number (3301334520).

Almost surely, 2^85384557632 is an apocalyptic number.

It is an amenable number.

85384557632 is an abundant number, since it is smaller than the sum of its proper divisors (99490175488).

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

85384557632 is a wasteful number, since it uses less digits than its factorization.

85384557632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24019 (or 24009 counting only the distinct ones).

The product of its digits is 24192000, while the sum is 56.

The spelling of 85384557632 in words is "eighty-five billion, three hundred eighty-four million, five hundred fifty-seven thousand, six hundred thirty-two".