68335977 has 16 divisors (see below), whose sum is σ = 94875840. Its totient is φ = 43697472.

The previous prime is 68335973. The next prime is 68335999. The reversal of 68335977 is 77953386.

It is not a de Polignac number, because 68335977 - 2² = 68335973 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68335973) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11158 + ... + 16160.

It is an arithmetic number, because the mean of its divisors is an integer number (5929740).

Almost surely, 2^68335977 is an apocalyptic number.

It is an amenable number.

68335977 is a deficient number, since it is larger than the sum of its proper divisors (26539863).

68335977 is a wasteful number, since it uses less digits than its factorization.

68335977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5192.

The product of its digits is 952560, while the sum is 48.

The square root of 68335977 is about 8266.5577479384. The cubic root of 68335977 is about 408.8366326861.

The spelling of 68335977 in words is "sixty-eight million, three hundred thirty-five thousand, nine hundred seventy-seven".