68977297 has 2 divisors, whose sum is σ = 68977298. Its totient is φ = 68977296.

The previous prime is 68977267. The next prime is 68977303. The reversal of 68977297 is 79277986.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40844881 + 28132416 = 6391^2 + 5304^2 .

It is a cyclic number.

It is not a de Polignac number, because 68977297 - 2⁷ = 68977169 is a prime.

It is not a weakly prime, because it can be changed into another prime (68977217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34488648 + 34488649.

It is an arithmetic number, because the mean of its divisors is an integer number (34488649).

Almost surely, 2^68977297 is an apocalyptic number.

It is an amenable number.

68977297 is a deficient number, since it is larger than the sum of its proper divisors (1).

68977297 is an equidigital number, since it uses as much as digits as its factorization.

68977297 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2667168, while the sum is 55.

The square root of 68977297 is about 8305.2571904788. The cubic root of 68977297 is about 410.1116035664. Note that the first 3 decimals are identical.

The spelling of 68977297 in words is "sixty-eight million, nine hundred seventy-seven thousand, two hundred ninety-seven".