68286377 has 2 divisors, whose sum is σ = 68286378. Its totient is φ = 68286376.

The previous prime is 68286373. The next prime is 68286409. The reversal of 68286377 is 77368286.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 62031376 + 6255001 = 7876^2 + 2501^2 .

It is a cyclic number.

It is not a de Polignac number, because 68286377 - 2² = 68286373 is a prime.

It is a super-2 number, since 2×68286377² = 9326058567572258, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (68286373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34143188 + 34143189.

It is an arithmetic number, because the mean of its divisors is an integer number (34143189).

Almost surely, 2^68286377 is an apocalyptic number.

It is an amenable number.

68286377 is a deficient number, since it is larger than the sum of its proper divisors (1).

68286377 is an equidigital number, since it uses as much as digits as its factorization.

68286377 is an evil number, because the sum of its binary digits is even.

The product of its digits is 677376, while the sum is 47.

The square root of 68286377 is about 8263.5571638369. The cubic root of 68286377 is about 408.7376940498.

The spelling of 68286377 in words is "sixty-eight million, two hundred eighty-six thousand, three hundred seventy-seven".