68776597 has 2 divisors, whose sum is σ = 68776598. Its totient is φ = 68776596.

The previous prime is 68776583. The next prime is 68776613. The reversal of 68776597 is 79567786.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 57547396 + 11229201 = 7586^2 + 3351^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-68776597 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68776517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34388298 + 34388299.

It is an arithmetic number, because the mean of its divisors is an integer number (34388299).

Almost surely, 2^68776597 is an apocalyptic number.

It is an amenable number.

68776597 is a deficient number, since it is larger than the sum of its proper divisors (1).

68776597 is an equidigital number, since it uses as much as digits as its factorization.

68776597 is an evil number, because the sum of its binary digits is even.

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

The square root of 68776597 is about 8293.1656802454. The cubic root of 68776597 is about 409.7134563387.

It can be divided in two parts, 687 and 76597, that added together give a square (77284 = 278²).

The spelling of 68776597 in words is "sixty-eight million, seven hundred seventy-six thousand, five hundred ninety-seven".