68004378652 has 24 divisors (see below), whose sum is σ = 138574963296. Its totient is φ = 28594832448.

The previous prime is 68004378647. The next prime is 68004378679. The reversal of 68004378652 is 25687340086.

68004378652 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 68004378596 and 68004378605.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22911043 + ... + 22914010.

It is an arithmetic number, because the mean of its divisors is an integer number (5773956804).

Almost surely, 2^68004378652 is an apocalyptic number.

It is an amenable number.

68004378652 is an abundant number, since it is smaller than the sum of its proper divisors (70570584644).

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

68004378652 is a wasteful number, since it uses less digits than its factorization.

68004378652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45825117 (or 45825115 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 49.

The spelling of 68004378652 in words is "sixty-eight billion, four million, three hundred seventy-eight thousand, six hundred fifty-two".