85891627 has 2 divisors, whose sum is σ = 85891628. Its totient is φ = 85891626.

The previous prime is 85891583. The next prime is 85891661. The reversal of 85891627 is 72619858.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 85891627 - 2¹⁹ = 85367339 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (85891697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42945813 + 42945814.

It is an arithmetic number, because the mean of its divisors is an integer number (42945814).

Almost surely, 2^85891627 is an apocalyptic number.

85891627 is a deficient number, since it is larger than the sum of its proper divisors (1).

85891627 is an equidigital number, since it uses as much as digits as its factorization.

85891627 is an evil number, because the sum of its binary digits is even.

The product of its digits is 241920, while the sum is 46.

The square root of 85891627 is about 9267.7735729786. The cubic root of 85891627 is about 441.2150078584.

The spelling of 85891627 in words is "eighty-five million, eight hundred ninety-one thousand, six hundred twenty-seven".