68272487152 has 20 divisors (see below), whose sum is σ = 140058999936. Its totient is φ = 32128229120.

The previous prime is 68272487149. The next prime is 68272487177. The reversal of 68272487152 is 25178427286.

It is a super-2 number, since 2×68272487152² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 68272487152.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 125500624 + ... + 125501167.

Almost surely, 2^68272487152 is an apocalyptic number.

It is an amenable number.

68272487152 is an abundant number, since it is smaller than the sum of its proper divisors (71786512784).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68272487152 is a wasteful number, since it uses less digits than its factorization.

68272487152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251001816 (or 251001810 counting only the distinct ones).

The product of its digits is 3010560, while the sum is 52.

The spelling of 68272487152 in words is "sixty-eight billion, two hundred seventy-two million, four hundred eighty-seven thousand, one hundred fifty-two".