68779286 has 8 divisors (see below), whose sum is σ = 104582424. Its totient is φ = 33918480.

The previous prime is 68779273. The next prime is 68779301. The reversal of 68779286 is 68297786.

It is a happy number.

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

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 3 ways as a sum of consecutive naturals, for example, 235400 + ... + 235691.

It is an arithmetic number, because the mean of its divisors is an integer number (13072803).

Almost surely, 2^68779286 is an apocalyptic number.

68779286 is a deficient number, since it is larger than the sum of its proper divisors (35803138).

68779286 is a wasteful number, since it uses less digits than its factorization.

68779286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 471166.

The product of its digits is 2032128, while the sum is 53.

The square root of 68779286 is about 8293.3278001053. The cubic root of 68779286 is about 409.7187958736.

The spelling of 68779286 in words is "sixty-eight million, seven hundred seventy-nine thousand, two hundred eighty-six".