85807008 has 144 divisors (see below), whose sum is σ = 288078336. Its totient is φ = 23708160.

The previous prime is 85806989. The next prime is 85807031. The reversal of 85807008 is 80070858.

85807008 is a `hidden beast` number, since 8 + 580 + 70 + 0 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 61810 + ... + 63182.

It is an arithmetic number, because the mean of its divisors is an integer number (2000544).

Almost surely, 2^85807008 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 85807008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (144039168).

85807008 is an abundant number, since it is smaller than the sum of its proper divisors (202271328).

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

85807008 is a wasteful number, since it uses less digits than its factorization.

85807008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1427 (or 1416 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 36.

The square root of 85807008 is about 9263.2072199644. The cubic root of 85807008 is about 441.0700676920.

The spelling of 85807008 in words is "eighty-five million, eight hundred seven thousand, eight".