68836884504 has 64 divisors (see below), whose sum is σ = 175228272000. Its totient is φ = 22528462080.

The previous prime is 68836884503. The next prime is 68836884511. The reversal of 68836884504 is 40548863886.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68836884503) 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, 1115499 + ... + 1175589.

It is an arithmetic number, because the mean of its divisors is an integer number (2737941750).

Almost surely, 2^68836884504 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68836884504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87614136000).

68836884504 is an abundant number, since it is smaller than the sum of its proper divisors (106391387496).

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

68836884504 is a wasteful number, since it uses less digits than its factorization.

68836884504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60968 (or 60964 counting only the distinct ones).

The product of its (nonzero) digits is 35389440, while the sum is 60.

The spelling of 68836884504 in words is "sixty-eight billion, eight hundred thirty-six million, eight hundred eighty-four thousand, five hundred four".