68878300004 has 12 divisors (see below), whose sum is σ = 120708980028. Its totient is φ = 34390020000.

The previous prime is 68878300003. The next prime is 68878300081. The reversal of 68878300004 is 40000387886.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 52327477504 + 16550822500 = 228752^2 + 128650^2 .

It is a super-2 number, since 2×68878300004² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (68878300003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12279347 + ... + 12284954.

It is an arithmetic number, because the mean of its divisors is an integer number (10059081669).

Almost surely, 2^68878300004 is an apocalyptic number.

It is an amenable number.

68878300004 is a deficient number, since it is larger than the sum of its proper divisors (51830680024).

68878300004 is a wasteful number, since it uses less digits than its factorization.

68878300004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24565006 (or 24565004 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 44.

The spelling of 68878300004 in words is "sixty-eight billion, eight hundred seventy-eight million, three hundred thousand, four".