68776806 has 32 divisors (see below), whose sum is σ = 162627840. Its totient is φ = 18972576.

The previous prime is 68776793. The next prime is 68776811. The reversal of 68776806 is 60867786.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 27016 + ... + 29451.

It is an arithmetic number, because the mean of its divisors is an integer number (5082120).

Almost surely, 2^68776806 is an apocalyptic number.

68776806 is an abundant number, since it is smaller than the sum of its proper divisors (93851034).

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

68776806 is a wasteful number, since it uses less digits than its factorization.

68776806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56508.

The product of its (nonzero) digits is 677376, while the sum is 48.

The square root of 68776806 is about 8293.1782809729. The cubic root of 68776806 is about 409.7138713540.

The spelling of 68776806 in words is "sixty-eight million, seven hundred seventy-six thousand, eight hundred six".