85808084 has 6 divisors (see below), whose sum is σ = 150164154. Its totient is φ = 42904040.

The previous prime is 85808083. The next prime is 85808117. The reversal of 85808084 is 48080858.

It can be written as a sum of positive squares in only one way, i.e., 44488900 + 41319184 = 6670^2 + 6428^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85808081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10726007 + ... + 10726014.

It is an arithmetic number, because the mean of its divisors is an integer number (25027359).

Almost surely, 2^85808084 is an apocalyptic number.

It is an amenable number.

85808084 is a deficient number, since it is larger than the sum of its proper divisors (64356070).

85808084 is a wasteful number, since it uses less digits than its factorization.

85808084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21452025 (or 21452023 counting only the distinct ones).

The product of its (nonzero) digits is 81920, while the sum is 41.

The square root of 85808084 is about 9263.2652990185. The cubic root of 85808084 is about 441.0719113231.

The spelling of 85808084 in words is "eighty-five million, eight hundred eight thousand, eighty-four".