85671119 has 2 divisors, whose sum is σ = 85671120. Its totient is φ = 85671118.

The previous prime is 85671107. The next prime is 85671139. The reversal of 85671119 is 91117658.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-85671119 is a prime.

It is a super-2 number, since 2×85671119² = 14679081261424322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85671139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42835559 + 42835560.

It is an arithmetic number, because the mean of its divisors is an integer number (42835560).

Almost surely, 2^85671119 is an apocalyptic number.

85671119 is a deficient number, since it is larger than the sum of its proper divisors (1).

85671119 is an equidigital number, since it uses as much as digits as its factorization.

85671119 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15120, while the sum is 38.

The square root of 85671119 is about 9255.8694351206. The cubic root of 85671119 is about 440.8371098820.

The spelling of 85671119 in words is "eighty-five million, six hundred seventy-one thousand, one hundred nineteen".