85894651 has 2 divisors, whose sum is σ = 85894652. Its totient is φ = 85894650.

The previous prime is 85894639. The next prime is 85894657. The reversal of 85894651 is 15649858.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 85894651 - 2¹³ = 85886459 is a prime.

It is not a weakly prime, because it can be changed into another prime (85894657) 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 as a sum of consecutive naturals, namely, 42947325 + 42947326.

It is an arithmetic number, because the mean of its divisors is an integer number (42947326).

Almost surely, 2^85894651 is an apocalyptic number.

85894651 is a deficient number, since it is larger than the sum of its proper divisors (1).

85894651 is an equidigital number, since it uses as much as digits as its factorization.

85894651 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 345600, while the sum is 46.

The square root of 85894651 is about 9267.9367175224. The cubic root of 85894651 is about 441.2201857730.

The spelling of 85894651 in words is "eighty-five million, eight hundred ninety-four thousand, six hundred fifty-one".