85812616 has 16 divisors (see below), whose sum is σ = 161864640. Its totient is φ = 42648720.

The previous prime is 85812599. The next prime is 85812637. The reversal of 85812616 is 61621858.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30780 + ... + 33451.

It is an arithmetic number, because the mean of its divisors is an integer number (10116540).

Almost surely, 2^85812616 is an apocalyptic number.

It is an amenable number.

85812616 is a deficient number, since it is larger than the sum of its proper divisors (76052024).

85812616 is a wasteful number, since it uses less digits than its factorization.

85812616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64404 (or 64400 counting only the distinct ones).

The product of its digits is 23040, while the sum is 37.

The square root of 85812616 is about 9263.5099179523. The cubic root of 85812616 is about 441.0796763363.

The spelling of 85812616 in words is "eighty-five million, eight hundred twelve thousand, six hundred sixteen".