85468919 has 2 divisors, whose sum is σ = 85468920. Its totient is φ = 85468918.

The previous prime is 85468883. The next prime is 85468949. The reversal of 85468919 is 91986458.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-85468919 is a prime.

It is a super-2 number, since 2×85468919² = 14609872230057122, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85468949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42734459 + 42734460.

It is an arithmetic number, because the mean of its divisors is an integer number (42734460).

Almost surely, 2^85468919 is an apocalyptic number.

85468919 is a deficient number, since it is larger than the sum of its proper divisors (1).

85468919 is an equidigital number, since it uses as much as digits as its factorization.

85468919 is an evil number, because the sum of its binary digits is even.

The product of its digits is 622080, while the sum is 50.

The square root of 85468919 is about 9244.9401836897. The cubic root of 85468919 is about 440.4900170941.

The spelling of 85468919 in words is "eighty-five million, four hundred sixty-eight thousand, nine hundred nineteen".