85147693 has 12 divisors (see below), whose sum is σ = 89699380. Its totient is φ = 80825760.

The previous prime is 85147681. The next prime is 85147709. The reversal of 85147693 is 39674158.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 6 ways, for example, as 6240004 + 78907689 = 2498^2 + 8883^2 .

It is a de Polignac number, because none of the positive numbers 2^k-85147693 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 (85147603) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2076753 + ... + 2076793.

Almost surely, 2^85147693 is an apocalyptic number.

It is an amenable number.

85147693 is a deficient number, since it is larger than the sum of its proper divisors (4551687).

85147693 is an frugal number, since it uses more digits than its factorization.

85147693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193 (or 78 counting only the distinct ones).

The product of its digits is 181440, while the sum is 43.

The square root of 85147693 is about 9227.5507584624. The cubic root of 85147693 is about 439.9374790643.

The spelling of 85147693 in words is "eighty-five million, one hundred forty-seven thousand, six hundred ninety-three".