85282879 has 4 divisors (see below), whose sum is σ = 93035880. Its totient is φ = 77529880.

The previous prime is 85282877. The next prime is 85282903. The reversal of 85282879 is 97828258.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 85282879 - 2¹ = 85282877 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85282877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3876484 + ... + 3876505.

It is an arithmetic number, because the mean of its divisors is an integer number (23258970).

Almost surely, 2^85282879 is an apocalyptic number.

85282879 is a deficient number, since it is larger than the sum of its proper divisors (7753001).

85282879 is a wasteful number, since it uses less digits than its factorization.

85282879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7753000.

The product of its digits is 645120, while the sum is 49.

The square root of 85282879 is about 9234.8729823425. The cubic root of 85282879 is about 440.1701803824.

The spelling of 85282879 in words is "eighty-five million, two hundred eighty-two thousand, eight hundred seventy-nine".