85678305 has 16 divisors (see below), whose sum is σ = 137579904. Its totient is φ = 45530240.

The previous prime is 85678301. The next prime is 85678309. The reversal of 85678305 is 50387658.

It is an interprime number because it is at equal distance from previous prime (85678301) and next prime (85678309).

It is not a de Polignac number, because 85678305 - 2² = 85678301 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (85678301) 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 15 ways as a sum of consecutive naturals, for example, 5949 + ... + 14378.

It is an arithmetic number, because the mean of its divisors is an integer number (8598744).

Almost surely, 2^85678305 is an apocalyptic number.

It is an amenable number.

85678305 is a deficient number, since it is larger than the sum of its proper divisors (51901599).

85678305 is a wasteful number, since it uses less digits than its factorization.

85678305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20616.

The product of its (nonzero) digits is 201600, while the sum is 42.

The square root of 85678305 is about 9256.2576130961. The cubic root of 85678305 is about 440.8494351827.

The spelling of 85678305 in words is "eighty-five million, six hundred seventy-eight thousand, three hundred five".