68878586 has 8 divisors (see below), whose sum is σ = 118077600. Its totient is φ = 29519388.

The previous prime is 68878573. The next prime is 68878597. The reversal of 68878586 is 68587886.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×68878586³ (a number of 24 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2459936 + ... + 2459963.

It is an arithmetic number, because the mean of its divisors is an integer number (14759700).

Almost surely, 2^68878586 is an apocalyptic number.

68878586 is a deficient number, since it is larger than the sum of its proper divisors (49199014).

68878586 is a wasteful number, since it uses less digits than its factorization.

68878586 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4919908.

The product of its digits is 5160960, while the sum is 56.

The square root of 68878586 is about 8299.3123811554. The cubic root of 68878586 is about 409.9158780418.

The spelling of 68878586 in words is "sixty-eight million, eight hundred seventy-eight thousand, five hundred eighty-six".