85946879 has 8 divisors (see below), whose sum is σ = 87913728. Its totient is φ = 83985880.

The previous prime is 85946843. The next prime is 85946909. The reversal of 85946879 is 97864958.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 85946879 - 2¹⁶ = 85881343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85946279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43544 + ... + 45474.

It is an arithmetic number, because the mean of its divisors is an integer number (10989216).

Almost surely, 2^85946879 is an apocalyptic number.

85946879 is a deficient number, since it is larger than the sum of its proper divisors (1966849).

85946879 is a wasteful number, since it uses less digits than its factorization.

85946879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2925.

The product of its digits is 4354560, while the sum is 56.

The square root of 85946879 is about 9270.7539607089. The cubic root of 85946879 is about 441.3095952164.

The spelling of 85946879 in words is "eighty-five million, nine hundred forty-six thousand, eight hundred seventy-nine".