68908077 has 20 divisors (see below), whose sum is σ = 117642976. Its totient is φ = 39375720.

The previous prime is 68908057. The next prime is 68908111. The reversal of 68908077 is 77080986.

It is not a de Polignac number, because 68908077 - 2⁶ = 68908013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68908027) 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 19 ways as a sum of consecutive naturals, for example, 60199 + ... + 61332.

Almost surely, 2^68908077 is an apocalyptic number.

It is an amenable number.

68908077 is a deficient number, since it is larger than the sum of its proper divisors (48734899).

68908077 is a wasteful number, since it uses less digits than its factorization.

68908077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121550 (or 121541 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 45.

The square root of 68908077 is about 8301.0889044751. The cubic root of 68908077 is about 409.9743727785.

The spelling of 68908077 in words is "sixty-eight million, nine hundred eight thousand, seventy-seven".