68898078 has 12 divisors (see below), whose sum is σ = 149279208. Its totient is φ = 22966020.

The previous prime is 68898073. The next prime is 68898091. The reversal of 68898078 is 87089886.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68898073) 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 5 ways as a sum of consecutive naturals, for example, 1913818 + ... + 1913853.

It is an arithmetic number, because the mean of its divisors is an integer number (12439934).

Almost surely, 2^68898078 is an apocalyptic number.

68898078 is an abundant number, since it is smaller than the sum of its proper divisors (80381130).

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

68898078 is a wasteful number, since it uses less digits than its factorization.

68898078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3827679 (or 3827676 counting only the distinct ones).

The product of its (nonzero) digits is 1548288, while the sum is 54.

The square root of 68898078 is about 8300.4866122415. The cubic root of 68898078 is about 409.9545418568.

The spelling of 68898078 in words is "sixty-eight million, eight hundred ninety-eight thousand, seventy-eight".