85080469 has 2 divisors, whose sum is σ = 85080470. Its totient is φ = 85080468.

The previous prime is 85080467. The next prime is 85080493. The reversal of 85080469 is 96408058.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 75082225 + 9998244 = 8665^2 + 3162^2 .

It is a cyclic number.

It is not a de Polignac number, because 85080469 - 2¹ = 85080467 is a prime.

It is a super-2 number, since 2×85080469² = 14477372410519922, which contains 22 as substring.

Together with 85080467, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85080467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42540234 + 42540235.

It is an arithmetic number, because the mean of its divisors is an integer number (42540235).

Almost surely, 2^85080469 is an apocalyptic number.

It is an amenable number.

85080469 is a deficient number, since it is larger than the sum of its proper divisors (1).

85080469 is an equidigital number, since it uses as much as digits as its factorization.

85080469 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 69120, while the sum is 40.

The square root of 85080469 is about 9223.9074691803. The cubic root of 85080469 is about 439.8216718810.

The spelling of 85080469 in words is "eighty-five million, eighty thousand, four hundred sixty-nine".