85648433684 has 24 divisors (see below), whose sum is σ = 167929855968. Its totient is φ = 37878913440.

The previous prime is 85648433621. The next prime is 85648433687. The reversal of 85648433684 is 48633484658.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85648433687) 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, 26303174 + ... + 26306429.

It is an arithmetic number, because the mean of its divisors is an integer number (6997077332).

Almost surely, 2^85648433684 is an apocalyptic number.

It is an amenable number.

85648433684 is a deficient number, since it is larger than the sum of its proper divisors (82281422284).

85648433684 is a wasteful number, since it uses less digits than its factorization.

85648433684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52609655 (or 52609653 counting only the distinct ones).

The product of its digits is 53084160, while the sum is 59.

The spelling of 85648433684 in words is "eighty-five billion, six hundred forty-eight million, four hundred thirty-three thousand, six hundred eighty-four".