85385867416 has 8 divisors (see below), whose sum is σ = 160098501420. Its totient is φ = 42692933704.

The previous prime is 85385867387. The next prime is 85385867417. The reversal of 85385867416 is 61476858358.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85385867417) by changing a digit.

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 as a sum of consecutive naturals, namely, 5336616706 + ... + 5336616721.

Almost surely, 2^85385867416 is an apocalyptic number.

It is an amenable number.

85385867416 is a deficient number, since it is larger than the sum of its proper divisors (74712634004).

85385867416 is a wasteful number, since it uses less digits than its factorization.

85385867416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10673233433 (or 10673233429 counting only the distinct ones).

The product of its digits is 38707200, while the sum is 61.

The spelling of 85385867416 in words is "eighty-five billion, three hundred eighty-five million, eight hundred sixty-seven thousand, four hundred sixteen".