85537816808 has 16 divisors (see below), whose sum is σ = 161445550560. Its totient is φ = 42485670000.

The previous prime is 85537816807. The next prime is 85537816829. The reversal of 85537816808 is 80861873558.

It is not an unprimeable number, because it can be changed into a prime (85537816801) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35403518 + ... + 35405933.

It is an arithmetic number, because the mean of its divisors is an integer number (10090346910).

Almost surely, 2^85537816808 is an apocalyptic number.

It is an amenable number.

85537816808 is a deficient number, since it is larger than the sum of its proper divisors (75907733752).

85537816808 is a wasteful number, since it uses less digits than its factorization.

85537816808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70809608 (or 70809604 counting only the distinct ones).

The product of its (nonzero) digits is 12902400, while the sum is 59.

The spelling of 85537816808 in words is "eighty-five billion, five hundred thirty-seven million, eight hundred sixteen thousand, eight hundred eight".