85384615554 has 24 divisors (see below), whose sum is σ = 211428572160. Its totient is φ = 24395604408.

The previous prime is 85384615499. The next prime is 85384615577. The reversal of 85384615554 is 45551648358.

85384615554 is a `hidden beast` number, since 8 + 5 + 3 + 84 + 6 + 1 + 5 + 554 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 85384615554.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 338827714 + ... + 338827965.

It is an arithmetic number, because the mean of its divisors is an integer number (8809523840).

Almost surely, 2^85384615554 is an apocalyptic number.

85384615554 is an abundant number, since it is smaller than the sum of its proper divisors (126043956606).

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

85384615554 is a wasteful number, since it uses less digits than its factorization.

85384615554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 677655694 (or 677655691 counting only the distinct ones).

The product of its digits is 11520000, while the sum is 54.

The spelling of 85384615554 in words is "eighty-five billion, three hundred eighty-four million, six hundred fifteen thousand, five hundred fifty-four".