85747146 has 16 divisors (see below), whose sum is σ = 171617184. Its totient is φ = 28561904.

The previous prime is 85747091. The next prime is 85747213. The reversal of 85747146 is 64174758.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 85747098 and 85747107.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 5716 + ... + 14288.

It is an arithmetic number, because the mean of its divisors is an integer number (10726074).

Almost surely, 2^85747146 is an apocalyptic number.

85747146 is an abundant number, since it is smaller than the sum of its proper divisors (85870038).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85747146 is a wasteful number, since it uses less digits than its factorization.

85747146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10245.

The product of its digits is 188160, while the sum is 42.

The square root of 85747146 is about 9259.9754859287. The cubic root of 85747146 is about 440.9674751441.

The spelling of 85747146 in words is "eighty-five million, seven hundred forty-seven thousand, one hundred forty-six".