85563616 has 24 divisors (see below), whose sum is σ = 168674184. Its totient is φ = 42725760.

The previous prime is 85563613. The next prime is 85563617. The reversal of 85563616 is 61636558.

It is a super-2 number, since 2×85563616² = 14642264765990912, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85563613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34746 + ... + 37126.

It is an arithmetic number, because the mean of its divisors is an integer number (7028091).

Almost surely, 2^85563616 is an apocalyptic number.

It is an amenable number.

85563616 is a deficient number, since it is larger than the sum of its proper divisors (83110568).

85563616 is a wasteful number, since it uses less digits than its factorization.

85563616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3514 (or 3506 counting only the distinct ones).

The product of its digits is 129600, while the sum is 40.

The square root of 85563616 is about 9250.0603241276. The cubic root of 85563616 is about 440.6526402928.

The spelling of 85563616 in words is "eighty-five million, five hundred sixty-three thousand, six hundred sixteen".