85114643 has 2 divisors, whose sum is σ = 85114644. Its totient is φ = 85114642.

The previous prime is 85114633. The next prime is 85114709. The reversal of 85114643 is 34641158.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 85114643 - 2⁸ = 85114387 is a prime.

It is a super-3 number, since 3×85114643³ (a number of 25 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (85114633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42557321 + 42557322.

It is an arithmetic number, because the mean of its divisors is an integer number (42557322).

Almost surely, 2^85114643 is an apocalyptic number.

85114643 is a deficient number, since it is larger than the sum of its proper divisors (1).

85114643 is an equidigital number, since it uses as much as digits as its factorization.

85114643 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11520, while the sum is 32.

The square root of 85114643 is about 9225.7597519120. The cubic root of 85114643 is about 439.8805512533.

The spelling of 85114643 in words is "eighty-five million, one hundred fourteen thousand, six hundred forty-three".