85262869 has 2 divisors, whose sum is σ = 85262870. Its totient is φ = 85262868.

The previous prime is 85262857. The next prime is 85262893. The reversal of 85262869 is 96826258.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 76352644 + 8910225 = 8738^2 + 2985^2 .

It is a cyclic number.

It is not a de Polignac number, because 85262869 - 2¹⁹ = 84738581 is a prime.

It is a super-2 number, since 2×85262869² = 14539513660222322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85262809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42631434 + 42631435.

It is an arithmetic number, because the mean of its divisors is an integer number (42631435).

Almost surely, 2^85262869 is an apocalyptic number.

It is an amenable number.

85262869 is a deficient number, since it is larger than the sum of its proper divisors (1).

85262869 is an equidigital number, since it uses as much as digits as its factorization.

85262869 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 414720, while the sum is 46.

The square root of 85262869 is about 9233.7895254332. The cubic root of 85262869 is about 440.1357518454.

The spelling of 85262869 in words is "eighty-five million, two hundred sixty-two thousand, eight hundred sixty-nine".