68946277 has 2 divisors, whose sum is σ = 68946278. Its totient is φ = 68946276.

The previous prime is 68946247. The next prime is 68946289. The reversal of 68946277 is 77264986.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36978561 + 31967716 = 6081^2 + 5654^2 .

It is a cyclic number.

It is not a de Polignac number, because 68946277 - 2¹¹ = 68944229 is a prime.

It is a super-2 number, since 2×68946277² = 9507178224321458, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 68946277.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68946247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34473138 + 34473139.

It is an arithmetic number, because the mean of its divisors is an integer number (34473139).

Almost surely, 2^68946277 is an apocalyptic number.

It is an amenable number.

68946277 is a deficient number, since it is larger than the sum of its proper divisors (1).

68946277 is an equidigital number, since it uses as much as digits as its factorization.

68946277 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1016064, while the sum is 49.

The square root of 68946277 is about 8303.3894886366. The cubic root of 68946277 is about 410.0501168164.

The spelling of 68946277 in words is "sixty-eight million, nine hundred forty-six thousand, two hundred seventy-seven".