85735247 has 8 divisors (see below), whose sum is σ = 93148944. Its totient is φ = 78438528.

The previous prime is 85735231. The next prime is 85735261. The reversal of 85735247 is 74253758.

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 85735247 - 2⁴ = 85735231 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 (85935247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27713 + ... + 30650.

It is an arithmetic number, because the mean of its divisors is an integer number (11643618).

Almost surely, 2^85735247 is an apocalyptic number.

85735247 is a deficient number, since it is larger than the sum of its proper divisors (7413697).

85735247 is a wasteful number, since it uses less digits than its factorization.

85735247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58489.

The product of its digits is 235200, while the sum is 41.

The square root of 85735247 is about 9259.3329673363. The cubic root of 85735247 is about 440.9470767403.

The spelling of 85735247 in words is "eighty-five million, seven hundred thirty-five thousand, two hundred forty-seven".