268316077 has 2 divisors, whose sum is σ = 268316078. Its totient is φ = 268316076.

The previous prime is 268316063. The next prime is 268316107. The reversal of 268316077 is 770613862.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 254913156 + 13402921 = 15966^2 + 3661^2 .

It is a cyclic number.

It is not a de Polignac number, because 268316077 - 2²³ = 259927469 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (268316047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134158038 + 134158039.

It is an arithmetic number, because the mean of its divisors is an integer number (134158039).

Almost surely, 2^268316077 is an apocalyptic number.

It is an amenable number.

268316077 is a deficient number, since it is larger than the sum of its proper divisors (1).

268316077 is an equidigital number, since it uses as much as digits as its factorization.

268316077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 84672, while the sum is 40.

The square root of 268316077 is about 16380.3564369033. The cubic root of 268316077 is about 644.9839364627.

The spelling of 268316077 in words is "two hundred sixty-eight million, three hundred sixteen thousand, seventy-seven".