68776339 has 8 divisors (see below), whose sum is σ = 73128528. Its totient is φ = 64458240.

The previous prime is 68776319. The next prime is 68776349. The reversal of 68776339 is 93367786.

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

It is a cyclic number.

It is not a de Polignac number, because 68776339 - 2⁹ = 68775827 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 68776292 and 68776301.

It is not an unprimeable number, because it can be changed into a prime (68776319) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4297 + ... + 12490.

It is an arithmetic number, because the mean of its divisors is an integer number (9141066).

Almost surely, 2^68776339 is an apocalyptic number.

68776339 is a deficient number, since it is larger than the sum of its proper divisors (4352189).

68776339 is a wasteful number, since it uses less digits than its factorization.

68776339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17045.

The product of its digits is 1143072, while the sum is 49.

The square root of 68776339 is about 8293.1501252540. The cubic root of 68776339 is about 409.7129440219.

The spelling of 68776339 in words is "sixty-eight million, seven hundred seventy-six thousand, three hundred thirty-nine".