68863872573 has 16 divisors (see below), whose sum is σ = 102348604800. Its totient is φ = 45761624640.

The previous prime is 68863872563. The next prime is 68863872577. The reversal of 68863872573 is 37527836886.

It is a happy number.

It is not a de Polignac number, because 68863872573 - 2⁴ = 68863872557 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 68863872573.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68863872577) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4092108 + ... + 4108901.

It is an arithmetic number, because the mean of its divisors is an integer number (6396787800).

Almost surely, 2^68863872573 is an apocalyptic number.

It is an amenable number.

68863872573 is a deficient number, since it is larger than the sum of its proper divisors (33484732227).

68863872573 is a wasteful number, since it uses less digits than its factorization.

68863872573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8201329 (or 8201323 counting only the distinct ones).

The product of its digits is 81285120, while the sum is 63.

The spelling of 68863872573 in words is "sixty-eight billion, eight hundred sixty-three million, eight hundred seventy-two thousand, five hundred seventy-three".