68675977 has 8 divisors (see below), whose sum is σ = 70390656. Its totient is φ = 66971952.

The previous prime is 68675947. The next prime is 68675989. The reversal of 68675977 is 77957686.

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 68675977 - 2²³ = 60287369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68675927) 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 7 ways as a sum of consecutive naturals, for example, 11278 + ... + 16264.

It is an arithmetic number, because the mean of its divisors is an integer number (8798832).

Almost surely, 2^68675977 is an apocalyptic number.

It is an amenable number.

68675977 is a deficient number, since it is larger than the sum of its proper divisors (1714679).

68675977 is a wasteful number, since it uses less digits than its factorization.

68675977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5327.

The product of its digits is 4445280, while the sum is 55.

The square root of 68675977 is about 8287.0970188601. The cubic root of 68675977 is about 409.5135555471.

The spelling of 68675977 in words is "sixty-eight million, six hundred seventy-five thousand, nine hundred seventy-seven".