68779043 has 2 divisors, whose sum is σ = 68779044. Its totient is φ = 68779042.

The previous prime is 68779027. The next prime is 68779057. The reversal of 68779043 is 34097786.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 68779043 - 2⁴ = 68779027 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 68778985 and 68779003.

It is not a weakly prime, because it can be changed into another prime (68779063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34389521 + 34389522.

It is an arithmetic number, because the mean of its divisors is an integer number (34389522).

Almost surely, 2^68779043 is an apocalyptic number.

68779043 is a deficient number, since it is larger than the sum of its proper divisors (1).

68779043 is an equidigital number, since it uses as much as digits as its factorization.

68779043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 254016, while the sum is 44.

The square root of 68779043 is about 8293.3131497611. The cubic root of 68779043 is about 409.7183133553.

The spelling of 68779043 in words is "sixty-eight million, seven hundred seventy-nine thousand, forty-three".