235920077 has 2 divisors, whose sum is σ = 235920078. Its totient is φ = 235920076.

The previous prime is 235920073. The next prime is 235920079. The reversal of 235920077 is 770029532.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 213773641 + 22146436 = 14621^2 + 4706^2 .

It is a cyclic number.

It is not a de Polignac number, because 235920077 - 2² = 235920073 is a prime.

Together with 235920079, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (235920073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117960038 + 117960039.

It is an arithmetic number, because the mean of its divisors is an integer number (117960039).

Almost surely, 2^235920077 is an apocalyptic number.

It is an amenable number.

235920077 is a deficient number, since it is larger than the sum of its proper divisors (1).

235920077 is an equidigital number, since it uses as much as digits as its factorization.

235920077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26460, while the sum is 35.

The square root of 235920077 is about 15359.6900033822. The cubic root of 235920077 is about 617.9048922740.

The spelling of 235920077 in words is "two hundred thirty-five million, nine hundred twenty thousand, seventy-seven".