85069818 has 32 divisors (see below), whose sum is σ = 195566400. Its totient is φ = 27378288.

The previous prime is 85069811. The next prime is 85069837. The reversal of 85069818 is 81896058.

It is not an unprimeable number, because it can be changed into a prime (85069811) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25596 + ... + 28727.

It is an arithmetic number, because the mean of its divisors is an integer number (6111450).

Almost surely, 2^85069818 is an apocalyptic number.

85069818 is an abundant number, since it is smaller than the sum of its proper divisors (110496582).

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

85069818 is a wasteful number, since it uses less digits than its factorization.

85069818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54363 (or 54357 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 45.

The square root of 85069818 is about 9223.3300927593. The cubic root of 85069818 is about 439.8033177425.

The spelling of 85069818 in words is "eighty-five million, sixty-nine thousand, eight hundred eighteen".