68836884510 has 16 divisors (see below), whose sum is σ = 165208522896. Its totient is φ = 18356502528.

The previous prime is 68836884503. The next prime is 68836884511. The reversal of 68836884510 is 1548863886.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68836884511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1147281379 + ... + 1147281438.

It is an arithmetic number, because the mean of its divisors is an integer number (10325532681).

Almost surely, 2^68836884510 is an apocalyptic number.

68836884510 is an abundant number, since it is smaller than the sum of its proper divisors (96371638386).

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

68836884510 is a wasteful number, since it uses less digits than its factorization.

68836884510 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2294562827.

The product of its (nonzero) digits is 8847360, while the sum is 57.

The spelling of 68836884510 in words is "sixty-eight billion, eight hundred thirty-six million, eight hundred eighty-four thousand, five hundred ten".