85487616 has 104 divisors (see below), whose sum is σ = 253593360. Its totient is φ = 28459008.

The previous prime is 85487603. The next prime is 85487617. The reversal of 85487616 is 61678458.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85487617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110206 + ... + 110978.

Almost surely, 2^85487616 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 85487616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (126796680).

85487616 is an abundant number, since it is smaller than the sum of its proper divisors (168105744).

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

85487616 is an equidigital number, since it uses as much as digits as its factorization.

85487616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 806 (or 778 counting only the distinct ones).

The product of its digits is 322560, while the sum is 45.

The square root of 85487616 is about 9245.9513301769. The cubic root of 85487616 is about 440.5221349737.

The spelling of 85487616 in words is "eighty-five million, four hundred eighty-seven thousand, six hundred sixteen".