85648071 has 8 divisors (see below), whose sum is σ = 117881344. Its totient is φ = 55256760.

The previous prime is 85648063. The next prime is 85648093. The reversal of 85648071 is 17084658.

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

It is not a de Polignac number, because 85648071 - 2³ = 85648063 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85648001) 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, 460381 + ... + 460566.

It is an arithmetic number, because the mean of its divisors is an integer number (14735168).

Almost surely, 2^85648071 is an apocalyptic number.

85648071 is a deficient number, since it is larger than the sum of its proper divisors (32233273).

85648071 is a wasteful number, since it uses less digits than its factorization.

85648071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 920981.

The product of its (nonzero) digits is 53760, while the sum is 39.

The square root of 85648071 is about 9254.6243035577. The cubic root of 85648071 is about 440.7975737073.

The spelling of 85648071 in words is "eighty-five million, six hundred forty-eight thousand, seventy-one".