68888826 has 16 divisors (see below), whose sum is σ = 153086400. Its totient is φ = 22962924.

The previous prime is 68888821. The next prime is 68888843. The reversal of 68888826 is 62888886.

It is a Harshad number since it is a multiple of its sum of digits (54), and also a Moran number because the ratio is a prime number: 1275719 = 68888826 / (6 + 8 + 8 + 8 + 8 + 8 + 2 + 6).

It is not an unprimeable number, because it can be changed into a prime (68888821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 637806 + ... + 637913.

It is an arithmetic number, because the mean of its divisors is an integer number (9567900).

Almost surely, 2^68888826 is an apocalyptic number.

68888826 is an abundant number, since it is smaller than the sum of its proper divisors (84197574).

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

68888826 is a wasteful number, since it uses less digits than its factorization.

68888826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1275730 (or 1275724 counting only the distinct ones).

The product of its digits is 2359296, while the sum is 54.

The square root of 68888826 is about 8299.9292768071. The cubic root of 68888826 is about 409.9361907439.

The spelling of 68888826 in words is "sixty-eight million, eight hundred eighty-eight thousand, eight hundred twenty-six".