85291443 has 6 divisors (see below), whose sum is σ = 123198764. Its totient is φ = 56860956.

The previous prime is 85291411. The next prime is 85291457. The reversal of 85291443 is 34419258.

It is not a de Polignac number, because 85291443 - 2⁵ = 85291411 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 85291398 and 85291407.

It is not an unprimeable number, because it can be changed into a prime (85291463) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4738405 + ... + 4738422.

Almost surely, 2^85291443 is an apocalyptic number.

85291443 is a deficient number, since it is larger than the sum of its proper divisors (37907321).

85291443 is a wasteful number, since it uses less digits than its factorization.

85291443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9476833 (or 9476830 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 85291443 is about 9235.3366478976. The cubic root of 85291443 is about 440.1849136688.

The spelling of 85291443 in words is "eighty-five million, two hundred ninety-one thousand, four hundred forty-three".