85624134872 has 16 divisors (see below), whose sum is σ = 169989091560. Its totient is φ = 40293710464.

The previous prime is 85624134863. The next prime is 85624134887. The reversal of 85624134872 is 27843142658.

It is a self number, because there is not a number n which added to its sum of digits gives 85624134872.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 314794478 + ... + 314794749.

Almost surely, 2^85624134872 is an apocalyptic number.

It is an amenable number.

85624134872 is a deficient number, since it is larger than the sum of its proper divisors (84364956688).

85624134872 is a wasteful number, since it uses less digits than its factorization.

85624134872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 629589250 (or 629589246 counting only the distinct ones).

The product of its digits is 2580480, while the sum is 50.

The spelling of 85624134872 in words is "eighty-five billion, six hundred twenty-four million, one hundred thirty-four thousand, eight hundred seventy-two".