85895807 has 4 divisors (see below), whose sum is σ = 85916376. Its totient is φ = 85875240.

The previous prime is 85895773. The next prime is 85895813. The reversal of 85895807 is 70859858.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 85895807 - 2¹² = 85891711 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85895857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1544 + ... + 13197.

It is an arithmetic number, because the mean of its divisors is an integer number (21479094).

Almost surely, 2^85895807 is an apocalyptic number.

85895807 is a deficient number, since it is larger than the sum of its proper divisors (20569).

85895807 is a wasteful number, since it uses less digits than its factorization.

85895807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20568.

The product of its (nonzero) digits is 806400, while the sum is 50.

The square root of 85895807 is about 9267.9990828657. Note that the first 3 decimals coincide. The cubic root of 85895807 is about 441.2221651288. Note that the first 3 decimals are identical.

The spelling of 85895807 in words is "eighty-five million, eight hundred ninety-five thousand, eight hundred seven".