85896851 has 2 divisors, whose sum is σ = 85896852. Its totient is φ = 85896850.

The previous prime is 85896847. The next prime is 85896859. The reversal of 85896851 is 15869858.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 85896851 - 2² = 85896847 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 85896851.

It is not a weakly prime, because it can be changed into another prime (85896859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42948425 + 42948426.

It is an arithmetic number, because the mean of its divisors is an integer number (42948426).

Almost surely, 2^85896851 is an apocalyptic number.

85896851 is a deficient number, since it is larger than the sum of its proper divisors (1).

85896851 is an equidigital number, since it uses as much as digits as its factorization.

85896851 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 691200, while the sum is 50.

The square root of 85896851 is about 9268.0554055314. The cubic root of 85896851 is about 441.2239526980.

The spelling of 85896851 in words is "eighty-five million, eight hundred ninety-six thousand, eight hundred fifty-one".