242775077 has 2 divisors, whose sum is σ = 242775078. Its totient is φ = 242775076.

The previous prime is 242775073. The next prime is 242775089. The reversal of 242775077 is 770577242.

242775077 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 242300356 + 474721 = 15566^2 + 689^2 .

It is a cyclic number.

It is not a de Polignac number, because 242775077 - 2² = 242775073 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (242775073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121387538 + 121387539.

It is an arithmetic number, because the mean of its divisors is an integer number (121387539).

Almost surely, 2^242775077 is an apocalyptic number.

It is an amenable number.

242775077 is a deficient number, since it is larger than the sum of its proper divisors (1).

242775077 is an equidigital number, since it uses as much as digits as its factorization.

242775077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192080, while the sum is 41.

The square root of 242775077 is about 15581.2411893276. The cubic root of 242775077 is about 623.8325530393.

The spelling of 242775077 in words is "two hundred forty-two million, seven hundred seventy-five thousand, seventy-seven".